45253578 has 16 divisors (see below), whose sum is σ = 90593280. Its totient is φ = 15070176.

The previous prime is 45253577. The next prime is 45253597. The reversal of 45253578 is 87535254.

It is not an unprimeable number, because it can be changed into a prime (45253577) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4726 + ... + 10622.

It is an arithmetic number, because the mean of its divisors is an integer number (5662080).

Almost surely, 2^45253578 is an apocalyptic number.

45253578 is an abundant number, since it is smaller than the sum of its proper divisors (45339702).

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

45253578 is a wasteful number, since it uses less digits than its factorization.

45253578 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7181.

The product of its digits is 168000, while the sum is 39.

The square root of 45253578 is about 6727.0779689253. The cubic root of 45253578 is about 356.3561904429.

The spelling of 45253578 in words is "forty-five million, two hundred fifty-three thousand, five hundred seventy-eight".