145591125579 has 12 divisors (see below), whose sum is σ = 210302033656. Its totient is φ = 97059023712.

The previous prime is 145591125539. The next prime is 145591125587. The reversal of 145591125579 is 975521195541.

145591125579 is a `hidden beast` number, since 1 + 4 + 5 + 59 + 1 + 12 + 5 + 579 = 666.

It is not a de Polignac number, because 145591125579 - 2²⁵ = 145557571147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145591125539) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 583839 + ... + 795015.

Almost surely, 2^145591125579 is an apocalyptic number.

145591125579 is a deficient number, since it is larger than the sum of its proper divisors (64710908077).

145591125579 is a wasteful number, since it uses less digits than its factorization.

145591125579 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287786 (or 287783 counting only the distinct ones).

The product of its digits is 2835000, while the sum is 54.

The spelling of 145591125579 in words is "one hundred forty-five billion, five hundred ninety-one million, one hundred twenty-five thousand, five hundred seventy-nine".