45453431 has 2 divisors, whose sum is σ = 45453432. Its totient is φ = 45453430.

The previous prime is 45453413. The next prime is 45453437. The reversal of 45453431 is 13435454.

Together with previous prime (45453413) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 45453431 - 2⁶ = 45453367 is a prime.

It is a super-2 number, since 2×45453431² = 4132028779343522, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is equal to p_2744039 and since 45453431 and 2744039 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 45453394 and 45453403.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45453437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22726715 + 22726716.

It is an arithmetic number, because the mean of its divisors is an integer number (22726716).

Almost surely, 2^45453431 is an apocalyptic number.

45453431 is a deficient number, since it is larger than the sum of its proper divisors (1).

45453431 is an equidigital number, since it uses as much as digits as its factorization.

45453431 is an evil number, because the sum of its binary digits is even.

The product of its digits is 14400, while the sum is 29.

The square root of 45453431 is about 6741.9159739647. The cubic root of 45453431 is about 356.8800110428.

Adding to 45453431 its reverse (13435454), we get a palindrome (58888885).

The spelling of 45453431 in words is "forty-five million, four hundred fifty-three thousand, four hundred thirty-one".