100009146 has 16 divisors (see below), whose sum is σ = 200323584. Its totient is φ = 33285504.

The previous prime is 100009097. The next prime is 100009153. The reversal of 100009146 is 641900001.

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, 8346 + ... + 16421.

It is an arithmetic number, because the mean of its divisors is an integer number (12520224).

Almost surely, 2^100009146 is an apocalyptic number.

100009146 is an abundant number, since it is smaller than the sum of its proper divisors (100314438).

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

100009146 is a wasteful number, since it uses less digits than its factorization.

100009146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25445.

The product of its (nonzero) digits is 216, while the sum is 21.

The square root of 100009146 is about 10000.4572895443. The cubic root of 100009146 is about 464.1730335871.

Adding to 100009146 its reverse (641900001), we get a palindrome (741909147).

The spelling of 100009146 in words is "one hundred million, nine thousand, one hundred forty-six".