45577578 has 16 divisors (see below), whose sum is σ = 96517440. Its totient is φ = 14298816.

The previous prime is 45577577. The next prime is 45577583. The reversal of 45577578 is 87577554.

It is a happy number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (45577577) 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, 223318 + ... + 223521.

It is an arithmetic number, because the mean of its divisors is an integer number (6032340).

Almost surely, 2^45577578 is an apocalyptic number.

45577578 is an abundant number, since it is smaller than the sum of its proper divisors (50939862).

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

45577578 is a wasteful number, since it uses less digits than its factorization.

45577578 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 446861.

The product of its digits is 1372000, while the sum is 48.

The square root of 45577578 is about 6751.1167965012. The cubic root of 45577578 is about 357.2046312497.

The spelling of 45577578 in words is "forty-five million, five hundred seventy-seven thousand, five hundred seventy-eight".