100565142 has 8 divisors (see below), whose sum is σ = 201130296. Its totient is φ = 33521712.

The previous prime is 100565137. The next prime is 100565173. The reversal of 100565142 is 241565001.

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

100565142 is an admirable number.

It is a super-2 number, since 2×100565142² = 20226695570960328, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8380423 + ... + 8380434.

It is an arithmetic number, because the mean of its divisors is an integer number (25141287).

Almost surely, 2^100565142 is an apocalyptic number.

100565142 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

100565142 is a wasteful number, since it uses less digits than its factorization.

100565142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16760862.

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 100565142 is about 10028.2172892294. The cubic root of 100565142 is about 465.0316269389.

The spelling of 100565142 in words is "one hundred million, five hundred sixty-five thousand, one hundred forty-two".