1444101397 has 8 divisors (see below), whose sum is σ = 1530576216. Its totient is φ = 1357796352.

The previous prime is 1444101389. The next prime is 1444101413. The reversal of 1444101397 is 7931014441.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 27783441 + 1416317956 = 5271^2 + 37634^2 .

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 1444101397 - 2³ = 1444101389 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 (1444101497) 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, 24708 + ... + 59149.

It is an arithmetic number, because the mean of its divisors is an integer number (191322027).

Almost surely, 2^1444101397 is an apocalyptic number.

1444101397 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

1444101397 is a deficient number, since it is larger than the sum of its proper divisors (86474819).

1444101397 is a wasteful number, since it uses less digits than its factorization.

1444101397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84887.

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 1444101397 is about 38001.3341476322. The cubic root of 1444101397 is about 1130.3143190667.

The spelling of 1444101397 in words is "one billion, four hundred forty-four million, one hundred one thousand, three hundred ninety-seven".