45555100 has 54 divisors (see below), whose sum is σ = 101698352. Its totient is φ = 17712000.

The previous prime is 45555071. The next prime is 45555127. The reversal of 45555100 is 155554.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 167965 + ... + 168235.

Almost surely, 2^45555100 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45555100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50849176).

45555100 is an abundant number, since it is smaller than the sum of its proper divisors (56143252).

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

45555100 is a wasteful number, since it uses less digits than its factorization.

45555100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 367 (or 319 counting only the distinct ones).

The product of its (nonzero) digits is 2500, while the sum is 25.

The square root of 45555100 is about 6749.4518295933. The cubic root of 45555100 is about 357.1458994027.

It can be divided in two parts, 455 and 55100, that added together give a palindrome (55555).

The spelling of 45555100 in words is "forty-five million, five hundred fifty-five thousand, one hundred".