15149800 has 48 divisors (see below), whose sum is σ = 35488800. Its totient is φ = 6014400.

The previous prime is 15149791. The next prime is 15149831. The reversal of 15149800 is 894151.

It is a happy number.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

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, 42021 + ... + 42379.

It is an arithmetic number, because the mean of its divisors is an integer number (739350).

Almost surely, 2^15149800 is an apocalyptic number.

15149800 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 15149800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17744400).

15149800 is an abundant number, since it is smaller than the sum of its proper divisors (20339000).

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

15149800 is a wasteful number, since it uses less digits than its factorization.

15149800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 586 (or 577 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 28.

The square root of 15149800 is about 3892.2743993711. The cubic root of 15149800 is about 247.4394641595.

The spelling of 15149800 in words is "fifteen million, one hundred forty-nine thousand, eight hundred".