45107857 has 2 divisors, whose sum is σ = 45107858. Its totient is φ = 45107856.

The previous prime is 45107779. The next prime is 45107861. The reversal of 45107857 is 75870154.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 44836416 + 271441 = 6696^2 + 521^2 .

It is a cyclic number.

It is not a de Polignac number, because 45107857 - 2¹⁵ = 45075089 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (45105857) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22553928 + 22553929.

It is an arithmetic number, because the mean of its divisors is an integer number (22553929).

Almost surely, 2^45107857 is an apocalyptic number.

It is an amenable number.

45107857 is a deficient number, since it is larger than the sum of its proper divisors (1).

45107857 is an equidigital number, since it uses as much as digits as its factorization.

45107857 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 39200, while the sum is 37.

The square root of 45107857 is about 6716.2383072669. The cubic root of 45107857 is about 355.9732784092.

The spelling of 45107857 in words is "forty-five million, one hundred seven thousand, eight hundred fifty-seven".