45404857 has 2 divisors, whose sum is σ = 45404858. Its totient is φ = 45404856.

The previous prime is 45404837. The next prime is 45404881. The reversal of 45404857 is 75840454.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 44475561 + 929296 = 6669^2 + 964^2 .

It is a cyclic number.

It is not a de Polignac number, because 45404857 - 2¹¹ = 45402809 is a prime.

It is not a weakly prime, because it can be changed into another prime (45404837) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22702428 + 22702429.

It is an arithmetic number, because the mean of its divisors is an integer number (22702429).

Almost surely, 2^45404857 is an apocalyptic number.

It is an amenable number.

45404857 is a deficient number, since it is larger than the sum of its proper divisors (1).

45404857 is an equidigital number, since it uses as much as digits as its factorization.

45404857 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 89600, while the sum is 37.

The square root of 45404857 is about 6738.3126226081. The cubic root of 45404857 is about 356.7528386232.

The spelling of 45404857 in words is "forty-five million, four hundred four thousand, eight hundred fifty-seven".