45475979 has 2 divisors, whose sum is σ = 45475980. Its totient is φ = 45475978.

The previous prime is 45475951. The next prime is 45476009. The reversal of 45475979 is 97957454.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 45475979 - 2⁸ = 45475723 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (45475909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22737989 + 22737990.

It is an arithmetic number, because the mean of its divisors is an integer number (22737990).

Almost surely, 2^45475979 is an apocalyptic number.

45475979 is a deficient number, since it is larger than the sum of its proper divisors (1).

45475979 is an equidigital number, since it uses as much as digits as its factorization.

45475979 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1587600, while the sum is 50.

The square root of 45475979 is about 6743.5879915665. The cubic root of 45475979 is about 356.9390135579.

The spelling of 45475979 in words is "forty-five million, four hundred seventy-five thousand, nine hundred seventy-nine".