45431747 has 2 divisors, whose sum is σ = 45431748. Its totient is φ = 45431746.

The previous prime is 45431723. The next prime is 45431761. The reversal of 45431747 is 74713454.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45431747 is a prime.

It is not a weakly prime, because it can be changed into another prime (45431707) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22715873 + 22715874.

It is an arithmetic number, because the mean of its divisors is an integer number (22715874).

Almost surely, 2^45431747 is an apocalyptic number.

45431747 is a deficient number, since it is larger than the sum of its proper divisors (1).

45431747 is an equidigital number, since it uses as much as digits as its factorization.

45431747 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 47040, while the sum is 35.

The square root of 45431747 is about 6740.3076339289. The cubic root of 45431747 is about 356.8232509926.

The spelling of 45431747 in words is "forty-five million, four hundred thirty-one thousand, seven hundred forty-seven".