45877957 has 2 divisors, whose sum is σ = 45877958. Its totient is φ = 45877956.

The previous prime is 45877927. The next prime is 45877961. The reversal of 45877957 is 75977854.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 44435556 + 1442401 = 6666^2 + 1201^2 .

It is a cyclic number.

It is not a de Polignac number, because 45877957 - 2⁷ = 45877829 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45877927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22938978 + 22938979.

It is an arithmetic number, because the mean of its divisors is an integer number (22938979).

Almost surely, 2^45877957 is an apocalyptic number.

It is an amenable number.

45877957 is a deficient number, since it is larger than the sum of its proper divisors (1).

45877957 is an equidigital number, since it uses as much as digits as its factorization.

45877957 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2469600, while the sum is 52.

The square root of 45877957 is about 6773.3268782778. The cubic root of 45877957 is about 357.9876326054.

It can be divided in two parts, 4587 and 7957, that added together give a square (12544 = 112²).

The spelling of 45877957 in words is "forty-five million, eight hundred seventy-seven thousand, nine hundred fifty-seven".