100230442 has 16 divisors (see below), whose sum is σ = 164567592. Its totient is φ = 45501120.

The previous prime is 100230437. The next prime is 100230443. The reversal of 100230442 is 244032001.

It can be written as a sum of positive squares in 4 ways, for example, as 72573361 + 27657081 = 8519^2 + 5259^2 .

It is a super-2 number, since 2×100230442² = 20092283007030728, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (100230443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30013 + ... + 33184.

Almost surely, 2^100230442 is an apocalyptic number.

100230442 is a deficient number, since it is larger than the sum of its proper divisors (64337150).

100230442 is a wasteful number, since it uses less digits than its factorization.

100230442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63273.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 100230442 is about 10011.5154696979. The cubic root of 100230442 is about 464.5151488442.

Adding to 100230442 its reverse (244032001), we get a palindrome (344262443).

The spelling of 100230442 in words is "one hundred million, two hundred thirty thousand, four hundred forty-two".