15040100 has 18 divisors (see below), whose sum is σ = 32637234. Its totient is φ = 6016000.

The previous prime is 15040097. The next prime is 15040111. The reversal of 15040100 is 104051.

It can be written as a sum of positive squares in 3 ways, for example, as 2238016 + 12802084 = 1496^2 + 3578^2 .

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, 75101 + ... + 75300.

Almost surely, 2^15040100 is an apocalyptic number.

15040100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15040100 is an abundant number, since it is smaller than the sum of its proper divisors (17597134).

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

15040100 is a wasteful number, since it uses less digits than its factorization.

15040100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150415 (or 150408 counting only the distinct ones).

The product of its (nonzero) digits is 20, while the sum is 11.

The square root of 15040100 is about 3878.1567786772. The cubic root of 15040100 is about 246.8407787848.

Adding to 15040100 its reverse (104051), we get a palindrome (15144151).

The spelling of 15040100 in words is "fifteen million, forty thousand, one hundred".