45520244 has 24 divisors (see below), whose sum is σ = 99317568. Its totient is φ = 17735040.

The previous prime is 45520231. The next prime is 45520247. The reversal of 45520244 is 44202554.

It is a super-2 number, since 2×45520244² = 4144185227639072, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45520247) 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, 73589 + ... + 74204.

It is an arithmetic number, because the mean of its divisors is an integer number (4138232).

Almost surely, 2^45520244 is an apocalyptic number.

45520244 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

45520244 is an abundant number, since it is smaller than the sum of its proper divisors (53797324).

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

45520244 is a wasteful number, since it uses less digits than its factorization.

45520244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147815 (or 147813 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 26.

The square root of 45520244 is about 6746.8691998586. The cubic root of 45520244 is about 357.0547873661.

Adding to 45520244 its reverse (44202554), we get a palindrome (89722798).

The spelling of 45520244 in words is "forty-five million, five hundred twenty thousand, two hundred forty-four".