45158448 has 20 divisors (see below), whose sum is σ = 116659448. Its totient is φ = 15052800.

The previous prime is 45158441. The next prime is 45158521. The reversal of 45158448 is 84485154.

It is not an unprimeable number, because it can be changed into a prime (45158441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 470353 + ... + 470448.

Almost surely, 2^45158448 is an apocalyptic number.

45158448 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

45158448 is an abundant number, since it is smaller than the sum of its proper divisors (71501000).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

45158448 is a wasteful number, since it uses less digits than its factorization.

45158448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 940812 (or 940806 counting only the distinct ones).

The product of its digits is 102400, while the sum is 39.

The square root of 45158448 is about 6720.0035714276. The cubic root of 45158448 is about 356.1063100420.

The spelling of 45158448 in words is "forty-five million, one hundred fifty-eight thousand, four hundred forty-eight".