15342031142 has 4 divisors (see below), whose sum is σ = 23013046716. Its totient is φ = 7671015570.

The previous prime is 15342031079. The next prime is 15342031169. The reversal of 15342031142 is 24113024351.

It is a happy number.

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

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, 3835507784 + ... + 3835507787.

It is an arithmetic number, because the mean of its divisors is an integer number (5753261679).

Almost surely, 2^15342031142 is an apocalyptic number.

15342031142 is a deficient number, since it is larger than the sum of its proper divisors (7671015574).

15342031142 is an equidigital number, since it uses as much as digits as its factorization.

15342031142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7671015573.

The product of its (nonzero) digits is 2880, while the sum is 26.

Adding to 15342031142 its reverse (24113024351), we get a palindrome (39455055493).

The spelling of 15342031142 in words is "fifteen billion, three hundred forty-two million, thirty-one thousand, one hundred forty-two".