100165542 has 16 divisors (see below), whose sum is σ = 205217712. Its totient is φ = 32574080.

The previous prime is 100165523. The next prime is 100165567. The reversal of 100165542 is 245561001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 203343 + ... + 203834.

It is an arithmetic number, because the mean of its divisors is an integer number (12826107).

Almost surely, 2^100165542 is an apocalyptic number.

100165542 is an abundant number, since it is smaller than the sum of its proper divisors (105052170).

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

100165542 is a wasteful number, since it uses less digits than its factorization.

100165542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 407223.

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

The square root of 100165542 is about 10008.2736773132. The cubic root of 100165542 is about 464.4148681253.

The spelling of 100165542 in words is "one hundred million, one hundred sixty-five thousand, five hundred forty-two".