45031100 has 18 divisors (see below), whose sum is σ = 97717704. Its totient is φ = 18012400.

The previous prime is 45031099. The next prime is 45031139. The reversal of 45031100 is 113054.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 225056 + ... + 225255.

Almost surely, 2^45031100 is an apocalyptic number.

It is an amenable number.

45031100 is an abundant number, since it is smaller than the sum of its proper divisors (52686604).

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

45031100 is a wasteful number, since it uses less digits than its factorization.

45031100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 450325 (or 450318 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 14.

The square root of 45031100 is about 6710.5215892656. The cubic root of 45031100 is about 355.7712518624.

Adding to 45031100 its reverse (113054), we get a palindrome (45144154).

The spelling of 45031100 in words is "forty-five million, thirty-one thousand, one hundred".