1444132357 has 2 divisors, whose sum is σ = 1444132358. Its totient is φ = 1444132356.

The previous prime is 1444132301. The next prime is 1444132363. The reversal of 1444132357 is 7532314441.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1257837156 + 186295201 = 35466^2 + 13649^2 .

It is an emirp because it is prime and its reverse (7532314441) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1444132357 - 2²⁷ = 1309914629 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1444132397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 722066178 + 722066179.

It is an arithmetic number, because the mean of its divisors is an integer number (722066179).

Almost surely, 2^1444132357 is an apocalyptic number.

It is an amenable number.

1444132357 is a deficient number, since it is larger than the sum of its proper divisors (1).

1444132357 is an equidigital number, since it uses as much as digits as its factorization.

1444132357 is an evil number, because the sum of its binary digits is even.

The product of its digits is 40320, while the sum is 34.

The square root of 1444132357 is about 38001.7414995681. The cubic root of 1444132357 is about 1130.3223965885.

Adding to 1444132357 its reverse (7532314441), we get a palindrome (8976446798).

The spelling of 1444132357 in words is "one billion, four hundred forty-four million, one hundred thirty-two thousand, three hundred fifty-seven".