15340142 has 8 divisors (see below), whose sum is σ = 23499936. Its totient is φ = 7506832.

The previous prime is 15340139. The next prime is 15340151. The reversal of 15340142 is 24104351.

15340142 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, 81503 + ... + 81690.

It is an arithmetic number, because the mean of its divisors is an integer number (2937492).

Almost surely, 2^15340142 is an apocalyptic number.

15340142 is a deficient number, since it is larger than the sum of its proper divisors (8159794).

15340142 is a wasteful number, since it uses less digits than its factorization.

15340142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163242.

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

The square root of 15340142 is about 3916.6493332950. The cubic root of 15340142 is about 248.4714302800.

Adding to 15340142 its reverse (24104351), we get a palindrome (39444493).

The spelling of 15340142 in words is "fifteen million, three hundred forty thousand, one hundred forty-two".