100165143 has 16 divisors (see below), whose sum is σ = 144437216. Its totient is φ = 61378560.

The previous prime is 100165141. The next prime is 100165151. The reversal of 100165143 is 341561001.

It is not a de Polignac number, because 100165143 - 2¹ = 100165141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100165141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4071 + ... + 14727.

It is an arithmetic number, because the mean of its divisors is an integer number (9027326).

Almost surely, 2^100165143 is an apocalyptic number.

100165143 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

100165143 is a deficient number, since it is larger than the sum of its proper divisors (44272073).

100165143 is a wasteful number, since it uses less digits than its factorization.

100165143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10914.

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 100165143 is about 10008.2537437857. The cubic root of 100165143 is about 464.4142514736.

The spelling of 100165143 in words is "one hundred million, one hundred sixty-five thousand, one hundred forty-three".