45150557 has 2 divisors, whose sum is σ = 45150558. Its totient is φ = 45150556.

The previous prime is 45150551. The next prime is 45150571. The reversal of 45150557 is 75505154.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 45010681 + 139876 = 6709^2 + 374^2 .

It is a cyclic number.

It is not a de Polignac number, because 45150557 - 2¹⁶ = 45085021 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45150551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22575278 + 22575279.

It is an arithmetic number, because the mean of its divisors is an integer number (22575279).

Almost surely, 2^45150557 is an apocalyptic number.

It is an amenable number.

45150557 is a deficient number, since it is larger than the sum of its proper divisors (1).

45150557 is an equidigital number, since it uses as much as digits as its factorization.

45150557 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17500, while the sum is 32.

The square root of 45150557 is about 6719.4164181125. The cubic root of 45150557 is about 356.0855667946.

The spelling of 45150557 in words is "forty-five million, one hundred fifty thousand, five hundred fifty-seven".