45667931 has 2 divisors, whose sum is σ = 45667932. Its totient is φ = 45667930.

The previous prime is 45667889. The next prime is 45667939. The reversal of 45667931 is 13976654.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45667931 is a prime.

It is a super-2 number, since 2×45667931² = 4171119843641522, which contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (45667939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22833965 + 22833966.

It is an arithmetic number, because the mean of its divisors is an integer number (22833966).

Almost surely, 2^45667931 is an apocalyptic number.

45667931 is a deficient number, since it is larger than the sum of its proper divisors (1).

45667931 is an equidigital number, since it uses as much as digits as its factorization.

45667931 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 136080, while the sum is 41.

The square root of 45667931 is about 6757.8051910365. The cubic root of 45667931 is about 357.4405162903.

The spelling of 45667931 in words is "forty-five million, six hundred sixty-seven thousand, nine hundred thirty-one".