45102557 has 2 divisors, whose sum is σ = 45102558. Its totient is φ = 45102556.

The previous prime is 45102529. The next prime is 45102587. The reversal of 45102557 is 75520154.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28366276 + 16736281 = 5326^2 + 4091^2 .

It is a cyclic number.

It is not a de Polignac number, because 45102557 - 2⁸ = 45102301 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45102527) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22551278 + 22551279.

It is an arithmetic number, because the mean of its divisors is an integer number (22551279).

Almost surely, 2^45102557 is an apocalyptic number.

It is an amenable number.

45102557 is a deficient number, since it is larger than the sum of its proper divisors (1).

45102557 is an equidigital number, since it uses as much as digits as its factorization.

45102557 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7000, while the sum is 29.

The square root of 45102557 is about 6715.8437295697. The cubic root of 45102557 is about 355.9593360320.

The spelling of 45102557 in words is "forty-five million, one hundred two thousand, five hundred fifty-seven".