45233522531 has 24 divisors (see below), whose sum is σ = 50765814720. Its totient is φ = 40229783552.

The previous prime is 45233522491. The next prime is 45233522533. The reversal of 45233522531 is 13522533254.

It is a de Polignac number, because none of the positive numbers 2^k-45233522531 is a prime.

It is a super-2 number, since 2×45233522531² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 45233522491 and 45233522500.

It is not an unprimeable number, because it can be changed into a prime (45233522533) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 336491 + ... + 451323.

It is an arithmetic number, because the mean of its divisors is an integer number (2115242280).

Almost surely, 2^45233522531 is an apocalyptic number.

45233522531 is a deficient number, since it is larger than the sum of its proper divisors (5532292189).

45233522531 is a wasteful number, since it uses less digits than its factorization.

45233522531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114943 (or 114926 counting only the distinct ones).

The product of its digits is 108000, while the sum is 35.

The spelling of 45233522531 in words is "forty-five billion, two hundred thirty-three million, five hundred twenty-two thousand, five hundred thirty-one".