45781604 has 24 divisors (see below), whose sum is σ = 90417600. Its totient is φ = 20091680.

The previous prime is 45781601. The next prime is 45781607. The reversal of 45781604 is 40618754.

It is an interprime number because it is at equal distance from previous prime (45781601) and next prime (45781607).

It is not an unprimeable number, because it can be changed into a prime (45781601) 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, 16664 + ... + 19215.

It is an arithmetic number, because the mean of its divisors is an integer number (3767400).

Almost surely, 2^45781604 is an apocalyptic number.

45781604 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

45781604 is a deficient number, since it is larger than the sum of its proper divisors (44635996).

45781604 is a wasteful number, since it uses less digits than its factorization.

45781604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35923 (or 35921 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 35.

The square root of 45781604 is about 6766.2104608119. The cubic root of 45781604 is about 357.7368414456.

The spelling of 45781604 in words is "forty-five million, seven hundred eighty-one thousand, six hundred four".