15009142 has 8 divisors (see below), whose sum is σ = 22552056. Its totient is φ = 7491792.

The previous prime is 15009119. The next prime is 15009149. The reversal of 15009142 is 24190051.

15009142 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 not an unprimeable number, because it can be changed into a prime (15009149) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4848 + ... + 7315.

It is an arithmetic number, because the mean of its divisors is an integer number (2819007).

Almost surely, 2^15009142 is an apocalyptic number.

15009142 is a deficient number, since it is larger than the sum of its proper divisors (7542914).

15009142 is a wasteful number, since it uses less digits than its factorization.

15009142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12782.

The product of its (nonzero) digits is 360, while the sum is 22.

The square root of 15009142 is about 3874.1633935600. The cubic root of 15009142 is about 246.6712997263.

Adding to 15009142 its reverse (24190051), we get a palindrome (39199193).

It can be divided in two parts, 15009 and 142, that added together give a palindrome (15151).

The spelling of 15009142 in words is "fifteen million, nine thousand, one hundred forty-two".