45412831 has 16 divisors (see below), whose sum is σ = 51494400. Its totient is φ = 39788928.

The previous prime is 45412823. The next prime is 45412841. The reversal of 45412831 is 13821454.

It is a cyclic number.

It is not a de Polignac number, because 45412831 - 2³ = 45412823 is a prime.

It is a super-2 number, since 2×45412831² = 4124650438869122, 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 45412831.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45412841) 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 15 ways as a sum of consecutive naturals, for example, 17866 + ... + 20248.

It is an arithmetic number, because the mean of its divisors is an integer number (3218400).

Almost surely, 2^45412831 is an apocalyptic number.

45412831 is a deficient number, since it is larger than the sum of its proper divisors (6081569).

45412831 is a wasteful number, since it uses less digits than its factorization.

45412831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2478.

The product of its digits is 3840, while the sum is 28.

The square root of 45412831 is about 6738.9042877904. The cubic root of 45412831 is about 356.7737217093.

The spelling of 45412831 in words is "forty-five million, four hundred twelve thousand, eight hundred thirty-one".