15481342 has 4 divisors (see below), whose sum is σ = 23222016. Its totient is φ = 7740670.

The previous prime is 15481327. The next prime is 15481363. The reversal of 15481342 is 24318451.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 15481342.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3870334 + ... + 3870337.

It is an arithmetic number, because the mean of its divisors is an integer number (5805504).

Almost surely, 2^15481342 is an apocalyptic number.

15481342 is a deficient number, since it is larger than the sum of its proper divisors (7740674).

15481342 is an equidigital number, since it uses as much as digits as its factorization.

15481342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7740673.

The product of its digits is 3840, while the sum is 28.

The square root of 15481342 is about 3934.6336551196. The cubic root of 15481342 is about 249.2314638296.

Adding to 15481342 its reverse (24318451), we get a palindrome (39799793).

The spelling of 15481342 in words is "fifteen million, four hundred eighty-one thousand, three hundred forty-two".