100240442 has 16 divisors (see below), whose sum is σ = 152960832. Its totient is φ = 49257120.

The previous prime is 100240423. The next prime is 100240451. The reversal of 100240442 is 244042001.

It is a self number, because there is not a number n which added to its sum of digits gives 100240442.

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, 101483 + ... + 102465.

It is an arithmetic number, because the mean of its divisors is an integer number (9560052).

Almost surely, 2^100240442 is an apocalyptic number.

100240442 is a deficient number, since it is larger than the sum of its proper divisors (52720390).

100240442 is an equidigital number, since it uses as much as digits as its factorization.

100240442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1813.

The product of its (nonzero) digits is 256, while the sum is 17.

The square root of 100240442 is about 10012.0148821304. The cubic root of 100240442 is about 464.5305965695.

Adding to 100240442 its reverse (244042001), we get a palindrome (344282443).

The spelling of 100240442 in words is "one hundred million, two hundred forty thousand, four hundred forty-two".