15250142 has 8 divisors (see below), whose sum is σ = 23493576. Its totient is φ = 7418952.

The previous prime is 15250133. The next prime is 15250187. The reversal of 15250142 is 24105251.

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, 102968 + ... + 103115.

It is an arithmetic number, because the mean of its divisors is an integer number (2936697).

Almost surely, 2^15250142 is an apocalyptic number.

15250142 is a deficient number, since it is larger than the sum of its proper divisors (8243434).

15250142 is a wasteful number, since it uses less digits than its factorization.

15250142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206122.

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 15250142 is about 3905.1430191480. The cubic root of 15250142 is about 247.9845528880.

Adding to 15250142 its reverse (24105251), we get a palindrome (39355393).

The spelling of 15250142 in words is "fifteen million, two hundred fifty thousand, one hundred forty-two".