45077657 has 2 divisors, whose sum is σ = 45077658. Its totient is φ = 45077656.

The previous prime is 45077647. The next prime is 45077701. The reversal of 45077657 is 75677054.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22619536 + 22458121 = 4756^2 + 4739^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45077657 is a prime.

It is not a weakly prime, because it can be changed into another prime (45077647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22538828 + 22538829.

It is an arithmetic number, because the mean of its divisors is an integer number (22538829).

Almost surely, 2^45077657 is an apocalyptic number.

It is an amenable number.

45077657 is a deficient number, since it is larger than the sum of its proper divisors (1).

45077657 is an equidigital number, since it uses as much as digits as its factorization.

45077657 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 205800, while the sum is 41.

The square root of 45077657 is about 6713.9896484877. The cubic root of 45077657 is about 355.8938185415.

The spelling of 45077657 in words is "forty-five million, seventy-seven thousand, six hundred fifty-seven".