100165043 has 8 divisors (see below), whose sum is σ = 113039280. Its totient is φ = 87918880.

The previous prime is 100165007. The next prime is 100165049. The reversal of 100165043 is 340561001.

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

It is a cyclic number.

It is not a de Polignac number, because 100165043 - 2¹² = 100160947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100165049) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 156680 + ... + 157317.

It is an arithmetic number, because the mean of its divisors is an integer number (14129910).

Almost surely, 2^100165043 is an apocalyptic number.

100165043 is a deficient number, since it is larger than the sum of its proper divisors (12874237).

100165043 is a wasteful number, since it uses less digits than its factorization.

100165043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 314037.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 100165043 is about 10008.2487479079. The cubic root of 100165043 is about 464.4140969240.

The spelling of 100165043 in words is "one hundred million, one hundred sixty-five thousand, forty-three".