15142380 has 48 divisors (see below), whose sum is σ = 46255104. Its totient is φ = 3670720.

The previous prime is 15142367. The next prime is 15142381. The reversal of 15142380 is 8324151.

It is a self number, because there is not a number n which added to its sum of digits gives 15142380.

It is not an unprimeable number, because it can be changed into a prime (15142381) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10812 + ... + 12131.

It is an arithmetic number, because the mean of its divisors is an integer number (963648).

Almost surely, 2^15142380 is an apocalyptic number.

15142380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15142380 is an abundant number, since it is smaller than the sum of its proper divisors (31112724).

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

15142380 is a wasteful number, since it uses less digits than its factorization.

15142380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22966 (or 22964 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 15142380 is about 3891.3211124244. The cubic root of 15142380 is about 247.3990609716.

The spelling of 15142380 in words is "fifteen million, one hundred forty-two thousand, three hundred eighty".