45173400 has 48 divisors (see below), whose sum is σ = 140039400. Its totient is φ = 12046080.

The previous prime is 45173399. The next prime is 45173407. The reversal of 45173400 is 437154.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45173407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 37045 + ... + 38244.

Almost surely, 2^45173400 is an apocalyptic number.

45173400 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

45173400 is an abundant number, since it is smaller than the sum of its proper divisors (94866000).

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

45173400 is a wasteful number, since it uses less digits than its factorization.

45173400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75308 (or 75299 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 45173400 is about 6721.1159787642. The cubic root of 45173400 is about 356.1456080711.

The spelling of 45173400 in words is "forty-five million, one hundred seventy-three thousand, four hundred".