45499739 has 2 divisors, whose sum is σ = 45499740. Its totient is φ = 45499738.

The previous prime is 45499733. The next prime is 45499747. The reversal of 45499739 is 93799454.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45499739 is a prime.

It is not a weakly prime, because it can be changed into another prime (45499733) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22749869 + 22749870.

It is an arithmetic number, because the mean of its divisors is an integer number (22749870).

Almost surely, 2^45499739 is an apocalyptic number.

45499739 is a deficient number, since it is larger than the sum of its proper divisors (1).

45499739 is an equidigital number, since it uses as much as digits as its factorization.

45499739 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1224720, while the sum is 50.

The square root of 45499739 is about 6745.3494349811. The cubic root of 45499739 is about 357.0011664759.

The spelling of 45499739 in words is "forty-five million, four hundred ninety-nine thousand, seven hundred thirty-nine".