45000052031 has 16 divisors (see below), whose sum is σ = 50003847168. Its totient is φ = 40151311200.

The previous prime is 45000052007. The next prime is 45000052039. The reversal of 45000052031 is 13025000054.

It is a de Polignac number, because none of the positive numbers 2^k-45000052031 is a prime.

It is a super-2 number, since 2×45000052031² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 45000051994 and 45000052012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45000052039) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 238250 + ... + 383096.

It is an arithmetic number, because the mean of its divisors is an integer number (3125240448).

Almost surely, 2^45000052031 is an apocalyptic number.

45000052031 is a deficient number, since it is larger than the sum of its proper divisors (5003795137).

45000052031 is a wasteful number, since it uses less digits than its factorization.

45000052031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145382.

The product of its (nonzero) digits is 600, while the sum is 20.

Adding to 45000052031 its reverse (13025000054), we get a palindrome (58025052085).

The spelling of 45000052031 in words is "forty-five billion, fifty-two thousand, thirty-one".