45124631 has 4 divisors (see below), whose sum is σ = 45167232. Its totient is φ = 45082032.

The previous prime is 45124621. The next prime is 45124657. The reversal of 45124631 is 13642154.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13642154 = 2 ⋅6821077.

It is a cyclic number.

It is not a de Polignac number, because 45124631 - 2²² = 40930327 is a prime.

It is a super-2 number, since 2×45124631² = 4072464645772322, which 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 45124631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45124621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19670 + ... + 21843.

It is an arithmetic number, because the mean of its divisors is an integer number (11291808).

Almost surely, 2^45124631 is an apocalyptic number.

45124631 is a deficient number, since it is larger than the sum of its proper divisors (42601).

45124631 is a wasteful number, since it uses less digits than its factorization.

45124631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42600.

The product of its digits is 2880, while the sum is 26.

The square root of 45124631 is about 6717.4869557000. The cubic root of 45124631 is about 356.0173975212.

Adding to 45124631 its reverse (13642154), we get a palindrome (58766785).

The spelling of 45124631 in words is "forty-five million, one hundred twenty-four thousand, six hundred thirty-one".