45519400 has 24 divisors (see below), whose sum is σ = 105833070. Its totient is φ = 18207680.

The previous prime is 45519391. The next prime is 45519401. The reversal of 45519400 is 491554.

It can be written as a sum of positive squares in 3 ways, for example, as 24780484 + 20738916 = 4978^2 + 4554^2 .

It is not an unprimeable number, because it can be changed into a prime (45519401) 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 5 ways as a sum of consecutive naturals, for example, 113599 + ... + 113998.

Almost surely, 2^45519400 is an apocalyptic number.

45519400 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

45519400 is an abundant number, since it is smaller than the sum of its proper divisors (60313670).

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

45519400 is a wasteful number, since it uses less digits than its factorization.

45519400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227613 (or 227604 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 45519400 is about 6746.8066520392. The cubic root of 45519400 is about 357.0525806109.

The spelling of 45519400 in words is "forty-five million, five hundred nineteen thousand, four hundred".