15232142 has 8 divisors (see below), whose sum is σ = 22946976. Its totient is φ = 7583152.

The previous prime is 15232117. The next prime is 15232159. The reversal of 15232142 is 24123251.

15232142 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

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, 15878 + ... + 16809.

It is an arithmetic number, because the mean of its divisors is an integer number (2868372).

Almost surely, 2^15232142 is an apocalyptic number.

15232142 is a deficient number, since it is larger than the sum of its proper divisors (7714834).

15232142 is a wasteful number, since it uses less digits than its factorization.

15232142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32922.

The product of its digits is 480, while the sum is 20.

The square root of 15232142 is about 3902.8376855821. The cubic root of 15232142 is about 247.8869476918.

Adding to 15232142 its reverse (24123251), we get a palindrome (39355393).

The spelling of 15232142 in words is "fifteen million, two hundred thirty-two thousand, one hundred forty-two".