45789431 has 2 divisors, whose sum is σ = 45789432. Its totient is φ = 45789430.

The previous prime is 45789413. The next prime is 45789451. The reversal of 45789431 is 13498754.

Together with previous prime (45789413) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45789431 is a prime.

It is a super-2 number, since 2×45789431² = 4193343982607522, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45789451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22894715 + 22894716.

It is an arithmetic number, because the mean of its divisors is an integer number (22894716).

Almost surely, 2^45789431 is an apocalyptic number.

45789431 is a deficient number, since it is larger than the sum of its proper divisors (1).

45789431 is an equidigital number, since it uses as much as digits as its factorization.

45789431 is an evil number, because the sum of its binary digits is even.

The product of its digits is 120960, while the sum is 41.

The square root of 45789431 is about 6766.7888248415. The cubic root of 45789431 is about 357.7572269751.

The spelling of 45789431 in words is "forty-five million, seven hundred eighty-nine thousand, four hundred thirty-one".