45285944 has 32 divisors (see below), whose sum is σ = 93417840. Its totient is φ = 20579680.

The previous prime is 45285917. The next prime is 45285953. The reversal of 45285944 is 44958254.

It is a super-2 number, since 2×45285944² = 4101633447942272, which contains 22 as substring.

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, 8522 + ... + 12774.

Almost surely, 2^45285944 is an apocalyptic number.

45285944 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45285944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46708920).

45285944 is an abundant number, since it is smaller than the sum of its proper divisors (48131896).

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

45285944 is a wasteful number, since it uses less digits than its factorization.

45285944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4292 (or 4266 counting only the distinct ones).

The product of its digits is 230400, while the sum is 41.

The square root of 45285944 is about 6729.4831896662. The cubic root of 45285944 is about 356.4411271952.

The spelling of 45285944 in words is "forty-five million, two hundred eighty-five thousand, nine hundred forty-four".