145439541843504 has 80 divisors (see below), whose sum is σ = 388136434059264. Its totient is φ = 46879974489600.

The previous prime is 145439541843493. The next prime is 145439541843521. The reversal of 145439541843504 is 405348145934541.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35567517 + ... + 39445244.

Almost surely, 2^{145439541843504} is an apocalyptic number.

It is an amenable number.

145439541843504 is an abundant number, since it is smaller than the sum of its proper divisors (242696892215760).

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

145439541843504 is a wasteful number, since it uses less digits than its factorization.

145439541843504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75014106 (or 75014100 counting only the distinct ones).

The product of its (nonzero) digits is 82944000, while the sum is 60.

The spelling of 145439541843504 in words is "one hundred forty-five trillion, four hundred thirty-nine billion, five hundred forty-one million, eight hundred forty-three thousand, five hundred four".