100143426 has 32 divisors (see below), whose sum is σ = 212133888. Its totient is φ = 31450320.

The previous prime is 100143397. The next prime is 100143457. The reversal of 100143426 is 624341001.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3831 + ... + 14661.

It is an arithmetic number, because the mean of its divisors is an integer number (6629184).

Almost surely, 2^100143426 is an apocalyptic number.

100143426 is an abundant number, since it is smaller than the sum of its proper divisors (111990462).

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

100143426 is a wasteful number, since it uses less digits than its factorization.

100143426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10926.

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

The square root of 100143426 is about 10007.1687304652. The cubic root of 100143426 is about 464.3806855277.

Adding to 100143426 its reverse (624341001), we get a palindrome (724484427).

The spelling of 100143426 in words is "one hundred million, one hundred forty-three thousand, four hundred twenty-six".