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145451110211450 = 2521371051118117107
BaseRepresentation
bin100001000100100101111001…
…110000011001111101111010
3201001222222201221210210102122
4201010211321300121331322
5123031032333203231300
61233203152333001242
742431332050421121
oct4104457160317572
9631888657723378
10145451110211450
11423885188a247a
1214391496623222
136320c99b9a564
1427cbc2aba2ab8
1511c37b569cc85
hex844979c19f7a

145451110211450 has 96 divisors (see below), whose sum is σ = 273020019225408. Its totient is φ = 57648588480000.

The previous prime is 145451110211447. The next prime is 145451110211453. The reversal of 145451110211450 is 54112011154541.

It is a happy number.

145451110211450 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (145451110211447) and next prime (145451110211453).

It is a super-2 number, since 2×1454511102114502 (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 145451110211450.

It is not an unprimeable number, because it can be changed into a prime (145451110211453) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8502423797 + ... + 8502440903.

It is an arithmetic number, because the mean of its divisors is an integer number (2843958533598).

Almost surely, 2145451110211450 is an apocalyptic number.

145451110211450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

145451110211450 is a deficient number, since it is larger than the sum of its proper divisors (127568909013958).

145451110211450 is a wasteful number, since it uses less digits than its factorization.

145451110211450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19488 (or 19483 counting only the distinct ones).

The product of its (nonzero) digits is 16000, while the sum is 35.

Adding to 145451110211450 its reverse (54112011154541), we get a palindrome (199563121365991).

The spelling of 145451110211450 in words is "one hundred forty-five trillion, four hundred fifty-one billion, one hundred ten million, two hundred eleven thousand, four hundred fifty".

Divisors: 1 2 5 10 25 50 137 274 685 1051 1181 1370 2102 2362 3425 5255 5905 6850 10510 11810 17107 26275 29525 34214 52550 59050 85535 143987 161797 171070 287974 323594 427675 719935 808985 855350 1241231 1439870 1617970 2343659 2482462 3599675 4044925 4687318 6206155 7199350 8089850 11718295 12412310 17979457 20203367 23436590 31030775 35958914 40406734 58591475 62061550 89897285 101016835 117182950 170048647 179794570 202033670 340097294 449486425 505084175 850243235 898972850 1010168350 1700486470 2463185609 2767861279 4251216175 4926371218 5535722558 8502432350 12315928045 13839306395 21233738717 24631856090 27678612790 42467477434 61579640225 69196531975 106168693585 123159280450 138393063950 212337387170 530843467925 1061686935850 2909022204229 5818044408458 14545111021145 29090222042290 72725555105725 145451110211450