1444297199 has 4 divisors (see below), whose sum is σ = 1444621464. Its totient is φ = 1443972936.

The previous prime is 1444297111. The next prime is 1444297219. The reversal of 1444297199 is 9917924441.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1444297199 - 2²⁰ = 1443248623 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1444297399) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 155357 + ... + 164390.

It is an arithmetic number, because the mean of its divisors is an integer number (361155366).

Almost surely, 2^1444297199 is an apocalyptic number.

1444297199 is a deficient number, since it is larger than the sum of its proper divisors (324265).

1444297199 is an equidigital number, since it uses as much as digits as its factorization.

1444297199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324264.

The product of its digits is 653184, while the sum is 50.

The square root of 1444297199 is about 38003.9103119666. The cubic root of 1444297199 is about 1130.3654022300.

The spelling of 1444297199 in words is "one billion, four hundred forty-four million, two hundred ninety-seven thousand, one hundred ninety-nine".