45870631 has 4 divisors (see below), whose sum is σ = 45900952. Its totient is φ = 45840312.

The previous prime is 45870623. The next prime is 45870661. The reversal of 45870631 is 13607854.

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

It is a cyclic number.

It is not a de Polignac number, because 45870631 - 2³ = 45870623 is a prime.

It is a super-2 number, since 2×45870631² = 4208229576676322, which 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 (45870611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12765 + ... + 15958.

It is an arithmetic number, because the mean of its divisors is an integer number (11475238).

Almost surely, 2^45870631 is an apocalyptic number.

45870631 is a deficient number, since it is larger than the sum of its proper divisors (30321).

45870631 is a wasteful number, since it uses less digits than its factorization.

45870631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30320.

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 45870631 is about 6772.7860589273. The cubic root of 45870631 is about 357.9685765621.

The spelling of 45870631 in words is "forty-five million, eight hundred seventy thousand, six hundred thirty-one".