156385642 has 8 divisors (see below), whose sum is σ = 268089696. Its totient is φ = 67022412.

The previous prime is 156385627. The next prime is 156385651. The reversal of 156385642 is 246583651.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 156385595 and 156385604.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5585188 + ... + 5585215.

It is an arithmetic number, because the mean of its divisors is an integer number (33511212).

Almost surely, 2^156385642 is an apocalyptic number.

156385642 is a deficient number, since it is larger than the sum of its proper divisors (111704054).

156385642 is a wasteful number, since it uses less digits than its factorization.

156385642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11170412.

The product of its digits is 172800, while the sum is 40.

The square root of 156385642 is about 12505.4245029907. The cubic root of 156385642 is about 538.7644844056.

The spelling of 156385642 in words is "one hundred fifty-six million, three hundred eighty-five thousand, six hundred forty-two".