45538800 has 120 divisors (see below), whose sum is σ = 147471216. Its totient is φ = 12011520.

The previous prime is 45538799. The next prime is 45538807. The reversal of 45538800 is 883554.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (120).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45538807) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 164262 + ... + 164538.

Almost surely, 2^45538800 is an apocalyptic number.

45538800 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 45538800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73735608).

45538800 is an abundant number, since it is smaller than the sum of its proper divisors (101932416).

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

45538800 is a wasteful number, since it uses less digits than its factorization.

45538800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 435 (or 424 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 33.

The square root of 45538800 is about 6748.2442160906. The cubic root of 45538800 is about 357.1032977135.

The spelling of 45538800 in words is "forty-five million, five hundred thirty-eight thousand, eight hundred".