45224437631 has 4 divisors (see below), whose sum is σ = 47190717552. Its totient is φ = 43258157712.

The previous prime is 45224437627. The next prime is 45224437633. The reversal of 45224437631 is 13673442254.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13673442254 = 2 ⋅6836721127.

It is a cyclic number.

It is not a de Polignac number, because 45224437631 - 2² = 45224437627 is a prime.

It is a super-2 number, since 2×45224437631² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45224437633) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 983139926 + ... + 983139971.

It is an arithmetic number, because the mean of its divisors is an integer number (11797679388).

Almost surely, 2^45224437631 is an apocalyptic number.

45224437631 is a deficient number, since it is larger than the sum of its proper divisors (1966279921).

45224437631 is a wasteful number, since it uses less digits than its factorization.

45224437631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1966279920.

The product of its digits is 483840, while the sum is 41.

Adding to 45224437631 its reverse (13673442254), we get a palindrome (58897879885).

The spelling of 45224437631 in words is "forty-five billion, two hundred twenty-four million, four hundred thirty-seven thousand, six hundred thirty-one".