15214225142 has 16 divisors (see below), whose sum is σ = 23433538464. Its totient is φ = 7403928000.

The previous prime is 15214225133. The next prime is 15214225151. The reversal of 15214225142 is 24152241251.

It is an interprime number because it is at equal distance from previous prime (15214225133) and next prime (15214225151).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 185834 + ... + 254877.

It is an arithmetic number, because the mean of its divisors is an integer number (1464596154).

Almost surely, 2^15214225142 is an apocalyptic number.

15214225142 is a deficient number, since it is larger than the sum of its proper divisors (8219313322).

15214225142 is a wasteful number, since it uses less digits than its factorization.

15214225142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 441175.

The product of its digits is 6400, while the sum is 29.

Adding to 15214225142 its reverse (24152241251), we get a palindrome (39366466393).

The spelling of 15214225142 in words is "fifteen billion, two hundred fourteen million, two hundred twenty-five thousand, one hundred forty-two".