1444226137 has 8 divisors (see below), whose sum is σ = 1457419392. Its totient is φ = 1431066000.

The previous prime is 1444226111. The next prime is 1444226153. The reversal of 1444226137 is 7316224441.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1444226137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1444220137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83968 + ... + 99694.

It is an arithmetic number, because the mean of its divisors is an integer number (182177424).

Almost surely, 2^1444226137 is an apocalyptic number.

It is an amenable number.

1444226137 is a deficient number, since it is larger than the sum of its proper divisors (13193255).

1444226137 is a wasteful number, since it uses less digits than its factorization.

1444226137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16559.

The product of its digits is 32256, while the sum is 34.

The square root of 1444226137 is about 38002.9753703575. The cubic root of 1444226137 is about 1130.3468632609.

The spelling of 1444226137 in words is "one billion, four hundred forty-four million, two hundred twenty-six thousand, one hundred thirty-seven".