100144442 has 8 divisors (see below), whose sum is σ = 151546356. Its totient is φ = 49628992.

The previous prime is 100144411. The next prime is 100144481. The reversal of 100144442 is 244441001.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 99580441 + 564001 = 9979^2 + 751^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 221333 + ... + 221784.

Almost surely, 2^100144442 is an apocalyptic number.

100144442 is a deficient number, since it is larger than the sum of its proper divisors (51401914).

100144442 is a wasteful number, since it uses less digits than its factorization.

100144442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 443232.

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 100144442 is about 10007.2194939454. The cubic root of 100144442 is about 464.3822559726.

Adding to 100144442 its reverse (244441001), we get a palindrome (344585443).

The spelling of 100144442 in words is "one hundred million, one hundred forty-four thousand, four hundred forty-two".