45906131 has 2 divisors, whose sum is σ = 45906132. Its totient is φ = 45906130.

The previous prime is 45906089. The next prime is 45906139. The reversal of 45906131 is 13160954.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 45906131 - 2¹⁸ = 45643987 is a prime.

It is a super-2 number, since 2×45906131² = 4214745726778322, which contains 22 as substring.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 45906094 and 45906103.

It is not a weakly prime, because it can be changed into another prime (45906139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22953065 + 22953066.

It is an arithmetic number, because the mean of its divisors is an integer number (22953066).

Almost surely, 2^45906131 is an apocalyptic number.

45906131 is a deficient number, since it is larger than the sum of its proper divisors (1).

45906131 is an equidigital number, since it uses as much as digits as its factorization.

45906131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3240, while the sum is 29.

The square root of 45906131 is about 6775.4063346784. The cubic root of 45906131 is about 358.0608985797.

The spelling of 45906131 in words is "forty-five million, nine hundred six thousand, one hundred thirty-one".