145615617004 has 48 divisors (see below), whose sum is σ = 300399674400. Its totient is φ = 60888867840.

The previous prime is 145615616989. The next prime is 145615617011. The reversal of 145615617004 is 400716516541.

It is a super-2 number, since 2×145615617004² (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 15 ways as a sum of consecutive naturals, for example, 266829 + ... + 602020.

It is an arithmetic number, because the mean of its divisors is an integer number (6258326550).

Almost surely, 2^145615617004 is an apocalyptic number.

It is an amenable number.

145615617004 is an abundant number, since it is smaller than the sum of its proper divisors (154784057396).

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

145615617004 is a wasteful number, since it uses less digits than its factorization.

145615617004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 869170 (or 869168 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 40.

The spelling of 145615617004 in words is "one hundred forty-five billion, six hundred fifteen million, six hundred seventeen thousand, four".