45117700 has 18 divisors (see below), whose sum is σ = 97905626. Its totient is φ = 18047040.

The previous prime is 45117661. The next prime is 45117719. The reversal of 45117700 is 771154.

It can be written as a sum of positive squares in 3 ways, for example, as 2815684 + 42302016 = 1678^2 + 6504^2 .

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

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, 225489 + ... + 225688.

Almost surely, 2^45117700 is an apocalyptic number.

It is an amenable number.

45117700 is an abundant number, since it is smaller than the sum of its proper divisors (52787926).

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

45117700 is a wasteful number, since it uses less digits than its factorization.

45117700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 451191 (or 451184 counting only the distinct ones).

The product of its (nonzero) digits is 980, while the sum is 25.

The square root of 45117700 is about 6716.9710435582. The cubic root of 45117700 is about 355.9991688740. Note that the first 3 decimals are identical.

Adding to 45117700 its reverse (771154), we get a palindrome (45888854).

The spelling of 45117700 in words is "forty-five million, one hundred seventeen thousand, seven hundred".