15143888140 has 12 divisors (see below), whose sum is σ = 31802165136. Its totient is φ = 6057555248.

The previous prime is 15143888119. The next prime is 15143888153. The reversal of 15143888140 is 4188834151.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 378597184 + ... + 378597223.

It is an arithmetic number, because the mean of its divisors is an integer number (2650180428).

Almost surely, 2^15143888140 is an apocalyptic number.

15143888140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15143888140 is an abundant number, since it is smaller than the sum of its proper divisors (16658276996).

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

15143888140 is a wasteful number, since it uses less digits than its factorization.

15143888140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 757194416 (or 757194414 counting only the distinct ones).

The product of its (nonzero) digits is 122880, while the sum is 43.

The spelling of 15143888140 in words is "fifteen billion, one hundred forty-three million, eight hundred eighty-eight thousand, one hundred forty".