45000157 has 2 divisors, whose sum is σ = 45000158. Its totient is φ = 45000156.

The previous prime is 45000149. The next prime is 45000161. The reversal of 45000157 is 75100054.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40627876 + 4372281 = 6374^2 + 2091^2 .

It is a cyclic number.

It is not a de Polignac number, because 45000157 - 2³ = 45000149 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 (45000107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22500078 + 22500079.

It is an arithmetic number, because the mean of its divisors is an integer number (22500079).

Almost surely, 2^45000157 is an apocalyptic number.

It is an amenable number.

45000157 is a deficient number, since it is larger than the sum of its proper divisors (1).

45000157 is an equidigital number, since it uses as much as digits as its factorization.

45000157 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 700, while the sum is 22.

The square root of 45000157 is about 6708.2156345782. The cubic root of 45000157 is about 355.6897441020.

The spelling of 45000157 in words is "forty-five million, one hundred fifty-seven", and thus it is an aban number.