45631100 has 36 divisors (see below), whose sum is σ = 99826944. Its totient is φ = 18103680.

The previous prime is 45631097. The next prime is 45631109. The reversal of 45631100 is 113654.

45631100 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45631109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10904 + ... + 14496.

Almost surely, 2^45631100 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 45631100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49913472).

45631100 is an abundant number, since it is smaller than the sum of its proper divisors (54195844).

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

45631100 is a wasteful number, since it uses less digits than its factorization.

45631100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3734 (or 3727 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 45631100 is about 6755.0795702197. The cubic root of 45631100 is about 357.3443990070.

Adding to 45631100 its reverse (113654), we get a palindrome (45744754).

The spelling of 45631100 in words is "forty-five million, six hundred thirty-one thousand, one hundred".