1444142099 has 8 divisors (see below), whose sum is σ = 1491258240. Its totient is φ = 1397059200.

The previous prime is 1444142093. The next prime is 1444142113. The reversal of 1444142099 is 9902414441.

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

It is a cyclic number.

It is not a de Polignac number, because 1444142099 - 2⁸ = 1444141843 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1444142093) 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, 104507 + ... + 117515.

It is an arithmetic number, because the mean of its divisors is an integer number (186407280).

Almost surely, 2^1444142099 is an apocalyptic number.

1444142099 is a deficient number, since it is larger than the sum of its proper divisors (47116141).

1444142099 is a wasteful number, since it uses less digits than its factorization.

1444142099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16621.

The product of its (nonzero) digits is 41472, while the sum is 38.

The square root of 1444142099 is about 38001.8696776882. The cubic root of 1444142099 is about 1130.3249382705.

The spelling of 1444142099 in words is "one billion, four hundred forty-four million, one hundred forty-two thousand, ninety-nine".