156849429842 has 16 divisors (see below), whose sum is σ = 270386890560. Its totient is φ = 66845645808.

The previous prime is 156849429811. The next prime is 156849429917. The reversal of 156849429842 is 248924948651.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31292273 + ... + 31297284.

It is an arithmetic number, because the mean of its divisors is an integer number (16899180660).

Almost surely, 2^156849429842 is an apocalyptic number.

156849429842 is a deficient number, since it is larger than the sum of its proper divisors (113537460718).

156849429842 is a wasteful number, since it uses less digits than its factorization.

156849429842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62589745.

The product of its digits is 39813120, while the sum is 62.

The spelling of 156849429842 in words is "one hundred fifty-six billion, eight hundred forty-nine million, four hundred twenty-nine thousand, eight hundred forty-two".