45447400 has 48 divisors (see below), whose sum is σ = 106243200. Its totient is φ = 18079680.

The previous prime is 45447383. The next prime is 45447401. The reversal of 45447400 is 474454.

It is not an unprimeable number, because it can be changed into a prime (45447401) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 44091 + ... + 45109.

It is an arithmetic number, because the mean of its divisors is an integer number (2213400).

Almost surely, 2^45447400 is an apocalyptic number.

45447400 is a gapful number since it is divisible by the number (40) 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 45447400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53121600).

45447400 is an abundant number, since it is smaller than the sum of its proper divisors (60795800).

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

45447400 is a wasteful number, since it uses less digits than its factorization.

45447400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1258 (or 1249 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 28.

The square root of 45447400 is about 6741.4686827130. The cubic root of 45447400 is about 356.8642261064.

The spelling of 45447400 in words is "forty-five million, four hundred forty-seven thousand, four hundred".