115123322142 has 160 divisors (see below), whose sum is σ = 293634823680. Its totient is φ = 33487499520.

The previous prime is 115123322131. The next prime is 115123322147. The reversal of 115123322142 is 241223321511.

It is a happy number.

115123322142 is a `hidden beast` number, since 1 + 1 + 512 + 3 + 3 + 2 + 2 + 142 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115123322147) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 2435917 + ... + 2482727.

It is an arithmetic number, because the mean of its divisors is an integer number (1835217648).

Almost surely, 2^115123322142 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 115123322142, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (146817411840).

115123322142 is an abundant number, since it is smaller than the sum of its proper divisors (178511501538).

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

115123322142 is a wasteful number, since it uses less digits than its factorization.

115123322142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46908 (or 46899 counting only the distinct ones).

The product of its digits is 2880, while the sum is 27.

Adding to 115123322142 its reverse (241223321511), we get a palindrome (356346643653).

The spelling of 115123322142 in words is "one hundred fifteen billion, one hundred twenty-three million, three hundred twenty-two thousand, one hundred forty-two".