45188501 has 2 divisors, whose sum is σ = 45188502. Its totient is φ = 45188500.

The previous prime is 45188477. The next prime is 45188509. The reversal of 45188501 is 10588154.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 33292900 + 11895601 = 5770^2 + 3449^2 .

It is a cyclic number.

It is not a de Polignac number, because 45188501 - 2¹⁰ = 45187477 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 (45188509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22594250 + 22594251.

It is an arithmetic number, because the mean of its divisors is an integer number (22594251).

Almost surely, 2^45188501 is an apocalyptic number.

It is an amenable number.

45188501 is a deficient number, since it is larger than the sum of its proper divisors (1).

45188501 is an equidigital number, since it uses as much as digits as its factorization.

45188501 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6400, while the sum is 32.

The square root of 45188501 is about 6722.2392846432. The cubic root of 45188501 is about 356.1852889131.

The spelling of 45188501 in words is "forty-five million, one hundred eighty-eight thousand, five hundred one".