45452977 has 2 divisors, whose sum is σ = 45452978. Its totient is φ = 45452976.

The previous prime is 45452903. The next prime is 45452989. The reversal of 45452977 is 77925454.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 44635761 + 817216 = 6681^2 + 904^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45452977 is a prime.

It is not a weakly prime, because it can be changed into another prime (45452777) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22726488 + 22726489.

It is an arithmetic number, because the mean of its divisors is an integer number (22726489).

Almost surely, 2^45452977 is an apocalyptic number.

It is an amenable number.

45452977 is a deficient number, since it is larger than the sum of its proper divisors (1).

45452977 is an equidigital number, since it uses as much as digits as its factorization.

45452977 is an evil number, because the sum of its binary digits is even.

The product of its digits is 352800, while the sum is 43.

The square root of 45452977 is about 6741.8823039267. The cubic root of 45452977 is about 356.8788228372.

The spelling of 45452977 in words is "forty-five million, four hundred fifty-two thousand, nine hundred seventy-seven".