45506306531 has 8 divisors (see below), whose sum is σ = 52009920864. Its totient is φ = 39003370560.

The previous prime is 45506306513. The next prime is 45506306561. The reversal of 45506306531 is 13560360554.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-45506306531 is a prime.

It is a super-2 number, since 2×45506306531² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45506306561) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16640 + ... + 302141.

It is an arithmetic number, because the mean of its divisors is an integer number (6501240108).

Almost surely, 2^45506306531 is an apocalyptic number.

45506306531 is a deficient number, since it is larger than the sum of its proper divisors (6503614333).

45506306531 is a wasteful number, since it uses less digits than its factorization.

45506306531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 339181.

The product of its (nonzero) digits is 162000, while the sum is 38.

The spelling of 45506306531 in words is "forty-five billion, five hundred six million, three hundred six thousand, five hundred thirty-one".