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145450545610140 = 22335269352862241
BaseRepresentation
bin100001000100100101011000…
…000110100111110110011100
3201001222221021121102002001000
4201010211120012213312130
5123031030204134011030
61233203020323350300
742431312053404141
oct4104453006476634
9631887247362030
10145450545610140
1142388259122121
1214391359522390
136320c09c17044
1427cbbb5bd23c8
1511c3780d23860
hex8449581a7d9c

145450545610140 has 48 divisors (see below), whose sum is σ = 452512808566560. Its totient is φ = 38786812162560.

The previous prime is 145450545610049. The next prime is 145450545610147. The reversal of 145450545610140 is 41016545054541.

It is a happy number.

145450545610140 is a `hidden beast` number, since 1 + 4 + 5 + 4 + 5 + 0 + 545 + 61 + 0 + 1 + 40 = 666.

It is a super-2 number, since 2×1454505456101402 (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145450545610147) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 134676430581 + ... + 134676431660.

It is an arithmetic number, because the mean of its divisors is an integer number (9427350178470).

Almost surely, 2145450545610140 is an apocalyptic number.

145450545610140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

145450545610140 is an abundant number, since it is smaller than the sum of its proper divisors (307062262956420).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

145450545610140 is a wasteful number, since it uses less digits than its factorization.

145450545610140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269352862259 (or 269352862251 counting only the distinct ones).

The product of its (nonzero) digits is 960000, while the sum is 45.

The spelling of 145450545610140 in words is "one hundred forty-five trillion, four hundred fifty billion, five hundred forty-five million, six hundred ten thousand, one hundred forty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 27 30 36 45 54 60 90 108 135 180 270 540 269352862241 538705724482 808058586723 1077411448964 1346764311205 1616117173446 2424175760169 2693528622410 3232234346892 4040292933615 4848351520338 5387057244820 7272527280507 8080585867230 9696703040676 12120878800845 14545054561014 16161171734460 24241757601690 29090109122028 36362636402535 48483515203380 72725272805070 145450545610140