45531242613 has 32 divisors (see below), whose sum is σ = 71537385600. Its totient is φ = 28522291968.

The previous prime is 45531242573. The next prime is 45531242641. The reversal of 45531242613 is 31624213554.

45531242613 is a `hidden beast` number, since 4 + 5 + 5 + 31 + 2 + 4 + 2 + 613 = 666.

It is not a de Polignac number, because 45531242613 - 2⁹ = 45531242101 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45531242693) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 203995 + ... + 364247.

It is an arithmetic number, because the mean of its divisors is an integer number (2235543300).

Almost surely, 2^45531242613 is an apocalyptic number.

It is an amenable number.

45531242613 is a deficient number, since it is larger than the sum of its proper divisors (26006142987).

45531242613 is a wasteful number, since it uses less digits than its factorization.

45531242613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160898 (or 160892 counting only the distinct ones).

The product of its digits is 86400, while the sum is 36.

The spelling of 45531242613 in words is "forty-five billion, five hundred thirty-one million, two hundred forty-two thousand, six hundred thirteen".