45431004 has 48 divisors (see below), whose sum is σ = 113702400. Its totient is φ = 14067456.

The previous prime is 45430997. The next prime is 45431041. The reversal of 45431004 is 40013454.

It is a super-2 number, since 2×45431004² = 4127952248896032, 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 15 ways as a sum of consecutive naturals, for example, 14707 + ... + 17525.

It is an arithmetic number, because the mean of its divisors is an integer number (2368800).

Almost surely, 2^45431004 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45431004, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56851200).

45431004 is an abundant number, since it is smaller than the sum of its proper divisors (68271396).

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

45431004 is a wasteful number, since it uses less digits than its factorization.

45431004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2922 (or 2920 counting only the distinct ones).

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

The square root of 45431004 is about 6740.2525175248. The cubic root of 45431004 is about 356.8213057954.

Adding to 45431004 its reverse (40013454), we get a palindrome (85444458).

The spelling of 45431004 in words is "forty-five million, four hundred thirty-one thousand, four".