100102158 has 24 divisors (see below), whose sum is σ = 233572248. Its totient is φ = 30800592.

The previous prime is 100102147. The next prime is 100102169. The reversal of 100102158 is 851201001.

It is an interprime number because it is at equal distance from previous prime (100102147) and next prime (100102169).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 100102158.

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, 213660 + ... + 214127.

It is an arithmetic number, because the mean of its divisors is an integer number (9732177).

Almost surely, 2^100102158 is an apocalyptic number.

100102158 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

100102158 is an abundant number, since it is smaller than the sum of its proper divisors (133470090).

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

100102158 is a wasteful number, since it uses less digits than its factorization.

100102158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 427808 (or 427805 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 18.

The square root of 100102158 is about 10005.1065961338. The cubic root of 100102158 is about 464.3168880460.

Adding to 100102158 its reverse (851201001), we get a palindrome (951303159).

The spelling of 100102158 in words is "one hundred million, one hundred two thousand, one hundred fifty-eight".