45605090631 has 4 divisors (see below), whose sum is σ = 60806787512. Its totient is φ = 30403393752.

The previous prime is 45605090627. The next prime is 45605090639. The reversal of 45605090631 is 13609050654.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 45605090631 - 2² = 45605090627 is a prime.

It is a super-2 number, since 2×45605090631² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 45605090631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45605090639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7600848436 + ... + 7600848441.

It is an arithmetic number, because the mean of its divisors is an integer number (15201696878).

Almost surely, 2^45605090631 is an apocalyptic number.

45605090631 is a deficient number, since it is larger than the sum of its proper divisors (15201696881).

45605090631 is a wasteful number, since it uses less digits than its factorization.

45605090631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15201696880.

The product of its (nonzero) digits is 97200, while the sum is 39.

The spelling of 45605090631 in words is "forty-five billion, six hundred five million, ninety thousand, six hundred thirty-one".