156147942 has 16 divisors (see below), whose sum is σ = 314577072. Its totient is φ = 51669120.

The previous prime is 156147931. The next prime is 156147973. The reversal of 156147942 is 249741651.

It is a self number, because there is not a number n which added to its sum of digits gives 156147942.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94159 + ... + 95802.

It is an arithmetic number, because the mean of its divisors is an integer number (19661067).

Almost surely, 2^156147942 is an apocalyptic number.

156147942 is an abundant number, since it is smaller than the sum of its proper divisors (158429130).

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

156147942 is a wasteful number, since it uses less digits than its factorization.

156147942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190103.

The product of its digits is 60480, while the sum is 39.

The square root of 156147942 is about 12495.9170131687. The cubic root of 156147942 is about 538.4913790757.

The spelling of 156147942 in words is "one hundred fifty-six million, one hundred forty-seven thousand, nine hundred forty-two".