45158451 has 16 divisors (see below), whose sum is σ = 65345280. Its totient is φ = 27574560.

The previous prime is 45158441. The next prime is 45158521. The reversal of 45158451 is 15485154.

It is not a de Polignac number, because 45158451 - 2⁵ = 45158419 is a prime.

It is not an unprimeable number, because it can be changed into a prime (45158411) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 690 + ... + 9528.

It is an arithmetic number, because the mean of its divisors is an integer number (4084080).

Almost surely, 2^45158451 is an apocalyptic number.

45158451 is a deficient number, since it is larger than the sum of its proper divisors (20186829).

45158451 is a wasteful number, since it uses less digits than its factorization.

45158451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8986.

The product of its digits is 16000, while the sum is 33.

The square root of 45158451 is about 6720.0037946418. The cubic root of 45158451 is about 356.1063179277.

The spelling of 45158451 in words is "forty-five million, one hundred fifty-eight thousand, four hundred fifty-one".