15142398 has 16 divisors (see below), whose sum is σ = 31103760. Its totient is φ = 4910976.

The previous prime is 15142381. The next prime is 15142399. The reversal of 15142398 is 89324151.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15142399) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33883 + ... + 34326.

It is an arithmetic number, because the mean of its divisors is an integer number (1943985).

Almost surely, 2^15142398 is an apocalyptic number.

15142398 is an abundant number, since it is smaller than the sum of its proper divisors (15961362).

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

15142398 is a wasteful number, since it uses less digits than its factorization.

15142398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68251.

The product of its digits is 8640, while the sum is 33.

The square root of 15142398 is about 3891.3234252629. The cubic root of 15142398 is about 247.3991590007.

The spelling of 15142398 in words is "fifteen million, one hundred forty-two thousand, three hundred ninety-eight".