45254557 has 2 divisors, whose sum is σ = 45254558. Its totient is φ = 45254556.

The previous prime is 45254537. The next prime is 45254567. The reversal of 45254557 is 75545254.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40819321 + 4435236 = 6389^2 + 2106^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45254557 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45254507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22627278 + 22627279.

It is an arithmetic number, because the mean of its divisors is an integer number (22627279).

Almost surely, 2^45254557 is an apocalyptic number.

It is an amenable number.

45254557 is a deficient number, since it is larger than the sum of its proper divisors (1).

45254557 is an equidigital number, since it uses as much as digits as its factorization.

45254557 is an evil number, because the sum of its binary digits is even.

The product of its digits is 140000, while the sum is 37.

The square root of 45254557 is about 6727.1507341519. The cubic root of 45254557 is about 356.3587601859.

The spelling of 45254557 in words is "forty-five million, two hundred fifty-four thousand, five hundred fifty-seven".