45479957 has 2 divisors, whose sum is σ = 45479958. Its totient is φ = 45479956.

The previous prime is 45479927. The next prime is 45479983. The reversal of 45479957 is 75997454.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 30184036 + 15295921 = 5494^2 + 3911^2 .

It is a cyclic number.

It is not a de Polignac number, because 45479957 - 2⁶ = 45479893 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45479927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22739978 + 22739979.

It is an arithmetic number, because the mean of its divisors is an integer number (22739979).

Almost surely, 2^45479957 is an apocalyptic number.

It is an amenable number.

45479957 is a deficient number, since it is larger than the sum of its proper divisors (1).

45479957 is an equidigital number, since it uses as much as digits as its factorization.

45479957 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 45479957 is about 6743.8829319614. The cubic root of 45479957 is about 356.9494209717.

The spelling of 45479957 in words is "forty-five million, four hundred seventy-nine thousand, nine hundred fifty-seven".