145274273505264 has 80 divisors (see below), whose sum is σ = 380441229702912. Its totient is φ = 47760353938944.

The previous prime is 145274273505227. The next prime is 145274273505343. The reversal of 145274273505264 is 462505372472541.

It is a super-2 number, since 2×145274273505264² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 167630149 + ... + 168494555.

Almost surely, 2^{145274273505264} is an apocalyptic number.

It is an amenable number.

145274273505264 is an abundant number, since it is smaller than the sum of its proper divisors (235166956197648).

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

145274273505264 is a wasteful number, since it uses less digits than its factorization.

145274273505264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 912454 (or 912448 counting only the distinct ones).

The product of its (nonzero) digits is 56448000, while the sum is 57.

The spelling of 145274273505264 in words is "one hundred forty-five trillion, two hundred seventy-four billion, two hundred seventy-three million, five hundred five thousand, two hundred sixty-four".