45551045100 has 144 divisors (see below), whose sum is σ = 147282823296. Its totient is φ = 10773312000.

The previous prime is 45551045021. The next prime is 45551045107. The reversal of 45551045100 is 154015554.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (45551045107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 33034 + ... + 303633.

It is an arithmetic number, because the mean of its divisors is an integer number (1022797384).

Almost surely, 2^45551045100 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 45551045100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73641411648).

45551045100 is an abundant number, since it is smaller than the sum of its proper divisors (101731778196).

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

45551045100 is a wasteful number, since it uses less digits than its factorization.

45551045100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 336736 (or 336729 counting only the distinct ones).

The product of its (nonzero) digits is 10000, while the sum is 30.

The spelling of 45551045100 in words is "forty-five billion, five hundred fifty-one million, forty-five thousand, one hundred".