1144143397 has 2 divisors, whose sum is σ = 1144143398. Its totient is φ = 1144143396.

The previous prime is 1144143379. The next prime is 1144143437. The reversal of 1144143397 is 7933414411.

Together with previous prime (1144143379) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1093889476 + 50253921 = 33074^2 + 7089^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1144143397 is a prime.

It is a super-2 number, since 2×1144143397² = 2618128225797399218, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1144143317) 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 as a sum of consecutive naturals, namely, 572071698 + 572071699.

It is an arithmetic number, because the mean of its divisors is an integer number (572071699).

Almost surely, 2^1144143397 is an apocalyptic number.

It is an amenable number.

1144143397 is a deficient number, since it is larger than the sum of its proper divisors (1).

1144143397 is an equidigital number, since it uses as much as digits as its factorization.

1144143397 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 36288, while the sum is 37.

The square root of 1144143397 is about 33825.1887947429. The cubic root of 1144143397 is about 1045.9080031863.

The spelling of 1144143397 in words is "one billion, one hundred forty-four million, one hundred forty-three thousand, three hundred ninety-seven".