100942542 has 24 divisors (see below), whose sum is σ = 218941320. Its totient is φ = 33611760.

The previous prime is 100942537. The next prime is 100942577. The reversal of 100942542 is 245249001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18684 + ... + 23472.

It is an arithmetic number, because the mean of its divisors is an integer number (9122555).

Almost surely, 2^100942542 is an apocalyptic number.

100942542 is an abundant number, since it is smaller than the sum of its proper divisors (117998778).

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

100942542 is a wasteful number, since it uses less digits than its factorization.

100942542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5968 (or 5965 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 100942542 is about 10047.0165720974. The cubic root of 100942542 is about 465.6126229883.

The spelling of 100942542 in words is "one hundred million, nine hundred forty-two thousand, five hundred forty-two".