45445747 has 2 divisors, whose sum is σ = 45445748. Its totient is φ = 45445746.

The previous prime is 45445727. The next prime is 45445759. The reversal of 45445747 is 74754454.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 45445747 - 2¹⁵ = 45412979 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (45445727) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22722873 + 22722874.

It is an arithmetic number, because the mean of its divisors is an integer number (22722874).

Almost surely, 2^45445747 is an apocalyptic number.

45445747 is a deficient number, since it is larger than the sum of its proper divisors (1).

45445747 is an equidigital number, since it uses as much as digits as its factorization.

45445747 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 313600, while the sum is 40.

The square root of 45445747 is about 6741.3460822005. The cubic root of 45445747 is about 356.8598994656.

The spelling of 45445747 in words is "forty-five million, four hundred forty-five thousand, seven hundred forty-seven".