100264143 has 12 divisors (see below), whose sum is σ = 155511960. Its totient is φ = 57293712.

The previous prime is 100264133. The next prime is 100264163. The reversal of 100264143 is 341462001.

It is not a de Polignac number, because 100264143 - 2⁵ = 100264111 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100264123) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 340888 + ... + 341181.

It is an arithmetic number, because the mean of its divisors is an integer number (12959330).

Almost surely, 2^100264143 is an apocalyptic number.

100264143 is a deficient number, since it is larger than the sum of its proper divisors (55247817).

100264143 is an equidigital number, since it uses as much as digits as its factorization.

100264143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 682086 (or 682079 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 100264143 is about 10013.1984400590. The cubic root of 100264143 is about 464.5672051207.

The spelling of 100264143 in words is "one hundred million, two hundred sixty-four thousand, one hundred forty-three".