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145278003355 = 5317341930643
BaseRepresentation
bin1000011101001100111…
…1100110100010011011
3111212222200012020012221
42013103033212202123
54340012132101410
6150423443444511
713332060440122
oct2072317464233
9455880166187
10145278003355
1156680711191
12241a5386737
13109131b94c4
1470625b8ab9
153ba428e4da
hex21d33e689b

145278003355 has 32 divisors (see below), whose sum is σ = 182863779840. Its totient is φ = 110664195840.

The previous prime is 145278003349. The next prime is 145278003361. The reversal of 145278003355 is 553300872541.

It is an interprime number because it is at equal distance from previous prime (145278003349) and next prime (145278003361).

It is not a de Polignac number, because 145278003355 - 25 = 145278003323 is a prime.

It is a super-2 number, since 2×1452780033552 (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4725664 + ... + 4756306.

It is an arithmetic number, because the mean of its divisors is an integer number (5714493120).

Almost surely, 2145278003355 is an apocalyptic number.

145278003355 is a deficient number, since it is larger than the sum of its proper divisors (37585776485).

145278003355 is a wasteful number, since it uses less digits than its factorization.

145278003355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31171.

The product of its (nonzero) digits is 504000, while the sum is 43.

Adding to 145278003355 its reverse (553300872541), we get a palindrome (698578875896).

The spelling of 145278003355 in words is "one hundred forty-five billion, two hundred seventy-eight million, three thousand, three hundred fifty-five".

Divisors: 1 5 31 73 155 365 419 2095 2263 11315 12989 30587 30643 64945 152935 153215 948197 949933 2236939 4740985 4749665 11184695 12839417 64197085 69345109 346725545 398021927 937277441 1990109635 4686387205 29055600671 145278003355