45031404 has 48 divisors (see below), whose sum is σ = 115678080. Its totient is φ = 13520640.

The previous prime is 45031391. The next prime is 45031411. The reversal of 45031404 is 40413054.

It is a super-2 number, since 2×45031404² = 4055654692422432, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13407 + ... + 16425.

It is an arithmetic number, because the mean of its divisors is an integer number (2409960).

Almost surely, 2^45031404 is an apocalyptic number.

45031404 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 45031404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57839040).

45031404 is an abundant number, since it is smaller than the sum of its proper divisors (70646676).

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

45031404 is a wasteful number, since it uses less digits than its factorization.

45031404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3150 (or 3148 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 45031404 is about 6710.5442402237. The cubic root of 45031404 is about 355.7720524515.

Adding to 45031404 its reverse (40413054), we get a palindrome (85444458).

The spelling of 45031404 in words is "forty-five million, thirty-one thousand, four hundred four".