15330012142 has 4 divisors (see below), whose sum is σ = 22995018216. Its totient is φ = 7665006070.

The previous prime is 15330012119. The next prime is 15330012143. The reversal of 15330012142 is 24121003351.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24121003351 = 3517 ⋅6858403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15330012143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3832503034 + ... + 3832503037.

It is an arithmetic number, because the mean of its divisors is an integer number (5748754554).

Almost surely, 2^15330012142 is an apocalyptic number.

15330012142 is a deficient number, since it is larger than the sum of its proper divisors (7665006074).

15330012142 is an equidigital number, since it uses as much as digits as its factorization.

15330012142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7665006073.

The product of its (nonzero) digits is 720, while the sum is 22.

Adding to 15330012142 its reverse (24121003351), we get a palindrome (39451015493).

The spelling of 15330012142 in words is "fifteen billion, three hundred thirty million, twelve thousand, one hundred forty-two".