45504631 has 4 divisors (see below), whose sum is σ = 48181392. Its totient is φ = 42827872.

The previous prime is 45504619. The next prime is 45504643. The reversal of 45504631 is 13640554.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13640554 = 2 ⋅6820277.

It is an interprime number because it is at equal distance from previous prime (45504619) and next prime (45504643).

It is a cyclic number.

It is not a de Polignac number, because 45504631 - 2¹⁵ = 45471863 is a prime.

It is a super-2 number, since 2×45504631² = 4141342884892322, 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 45504631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45504611) 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, 1338355 + ... + 1338388.

It is an arithmetic number, because the mean of its divisors is an integer number (12045348).

Almost surely, 2^45504631 is an apocalyptic number.

45504631 is a deficient number, since it is larger than the sum of its proper divisors (2676761).

45504631 is a wasteful number, since it uses less digits than its factorization.

45504631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2676760.

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 45504631 is about 6745.7120454404. The cubic root of 45504631 is about 357.0139605941.

The spelling of 45504631 in words is "forty-five million, five hundred four thousand, six hundred thirty-one".