15342494 has 8 divisors (see below), whose sum is σ = 23635848. Its totient is φ = 7463880.

The previous prime is 15342473. The next prime is 15342499. The reversal of 15342494 is 49424351.

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

It is a self number, because there is not a number n which added to its sum of digits gives 15342494.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15342499) 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, 103592 + ... + 103739.

It is an arithmetic number, because the mean of its divisors is an integer number (2954481).

Almost surely, 2^15342494 is an apocalyptic number.

15342494 is a deficient number, since it is larger than the sum of its proper divisors (8293354).

15342494 is a wasteful number, since it uses less digits than its factorization.

15342494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207370.

The product of its digits is 17280, while the sum is 32.

The square root of 15342494 is about 3916.9495784347. The cubic root of 15342494 is about 248.4841284445.

The spelling of 15342494 in words is "fifteen million, three hundred forty-two thousand, four hundred ninety-four".