100156342 has 32 divisors (see below), whose sum is σ = 180278784. Its totient is φ = 41124000.

The previous prime is 100156339. The next prime is 100156361. The reversal of 100156342 is 243651001.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9717 + ... + 17167.

It is an arithmetic number, because the mean of its divisors is an integer number (5633712).

Almost surely, 2^100156342 is an apocalyptic number.

100156342 is a deficient number, since it is larger than the sum of its proper divisors (80122442).

100156342 is a wasteful number, since it uses less digits than its factorization.

100156342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7524.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 100156342 is about 10007.8140470334. The cubic root of 100156342 is about 464.4006491717.

The spelling of 100156342 in words is "one hundred million, one hundred fifty-six thousand, three hundred forty-two".