45500445100 has 72 divisors (see below), whose sum is σ = 108182919600. Its totient is φ = 16473273600.

The previous prime is 45500445091. The next prime is 45500445127. The reversal of 45500445100 is 154400554.

It is a super-2 number, since 2×45500445100² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 161586 + ... + 342214.

It is an arithmetic number, because the mean of its divisors is an integer number (1502540550).

Almost surely, 2^45500445100 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 45500445100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54091459800).

45500445100 is an abundant number, since it is smaller than the sum of its proper divisors (62682474500).

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

45500445100 is a wasteful number, since it uses less digits than its factorization.

45500445100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180883 (or 180876 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 28.

Adding to 45500445100 its reverse (154400554), we get a palindrome (45654845654).

The spelling of 45500445100 in words is "forty-five billion, five hundred million, four hundred forty-five thousand, one hundred".