15523328142 has 48 divisors (see below), whose sum is σ = 38483527680. Its totient is φ = 4430066256.

The previous prime is 15523328141. The next prime is 15523328231. The reversal of 15523328142 is 24182332551.

15523328142 is a `hidden beast` number, since 15 + 523 + 3 + 2 + 81 + 42 = 666.

It is a super-3 number, since 3×15523328142³ (a number of 32 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 15523328097 and 15523328106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15523328141) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 37359 + ... + 180117.

It is an arithmetic number, because the mean of its divisors is an integer number (801740160).

Almost surely, 2^15523328142 is an apocalyptic number.

15523328142 is an abundant number, since it is smaller than the sum of its proper divisors (22960199538).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

15523328142 is a wasteful number, since it uses less digits than its factorization.

15523328142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143637 (or 143634 counting only the distinct ones).

The product of its digits is 57600, while the sum is 36.

The spelling of 15523328142 in words is "fifteen billion, five hundred twenty-three million, three hundred twenty-eight thousand, one hundred forty-two".