45252444 has 24 divisors (see below), whose sum is σ = 106637328. Its totient is φ = 14934400.

The previous prime is 45252439. The next prime is 45252451. The reversal of 45252444 is 44425254.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17457 + ... + 19880.

It is an arithmetic number, because the mean of its divisors is an integer number (4443222).

Almost surely, 2^45252444 is an apocalyptic number.

It is an amenable number.

45252444 is an abundant number, since it is smaller than the sum of its proper divisors (61384884).

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

45252444 is a wasteful number, since it uses less digits than its factorization.

45252444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37445 (or 37443 counting only the distinct ones).

The product of its digits is 25600, while the sum is 30.

The square root of 45252444 is about 6726.9936821733. The cubic root of 45252444 is about 356.3532137995.

Adding to 45252444 its reverse (44425254), we get a palindrome (89677698).

The spelling of 45252444 in words is "forty-five million, two hundred fifty-two thousand, four hundred forty-four".