45705931 has 2 divisors, whose sum is σ = 45705932. Its totient is φ = 45705930.

The previous prime is 45705929. The next prime is 45705967. The reversal of 45705931 is 13950754.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 45705931 - 2¹ = 45705929 is a prime.

It is a super-2 number, since 2×45705931² = 4178064257153522, which contains 22 as substring.

Together with 45705929, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (45705731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22852965 + 22852966.

It is an arithmetic number, because the mean of its divisors is an integer number (22852966).

Almost surely, 2^45705931 is an apocalyptic number.

45705931 is a deficient number, since it is larger than the sum of its proper divisors (1).

45705931 is an equidigital number, since it uses as much as digits as its factorization.

45705931 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18900, while the sum is 34.

The square root of 45705931 is about 6760.6161701431. The cubic root of 45705931 is about 357.5396301447.

It can be divided in two parts, 4570 and 5931, that added together give a palindrome (10501).

The spelling of 45705931 in words is "forty-five million, seven hundred five thousand, nine hundred thirty-one".