45816431 has 2 divisors, whose sum is σ = 45816432. Its totient is φ = 45816430.

The previous prime is 45816427. The next prime is 45816443. The reversal of 45816431 is 13461854.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 45816431 - 2² = 45816427 is a prime.

It is a super-2 number, since 2×45816431² = 4198290699155522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45816401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22908215 + 22908216.

It is an arithmetic number, because the mean of its divisors is an integer number (22908216).

Almost surely, 2^45816431 is an apocalyptic number.

45816431 is a deficient number, since it is larger than the sum of its proper divisors (1).

45816431 is an equidigital number, since it uses as much as digits as its factorization.

45816431 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11520, while the sum is 32.

The square root of 45816431 is about 6768.7835687072. The cubic root of 45816431 is about 357.8275310238.

The spelling of 45816431 in words is "forty-five million, eight hundred sixteen thousand, four hundred thirty-one".