156178880142 has 16 divisors (see below), whose sum is σ = 315867399120. Its totient is φ = 51474686912.

The previous prime is 156178880131. The next prime is 156178880149. The reversal of 156178880142 is 241088871651.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (156178880149) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 146234373 + ... + 146235440.

It is an arithmetic number, because the mean of its divisors is an integer number (19741712445).

Almost surely, 2^156178880142 is an apocalyptic number.

156178880142 is an abundant number, since it is smaller than the sum of its proper divisors (159688518978).

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

156178880142 is a wasteful number, since it uses less digits than its factorization.

156178880142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 292469907.

The product of its (nonzero) digits is 860160, while the sum is 51.

The spelling of 156178880142 in words is "one hundred fifty-six billion, one hundred seventy-eight million, eight hundred eighty thousand, one hundred forty-two".