1144093997 has 2 divisors, whose sum is σ = 1144093998. Its totient is φ = 1144093996.

The previous prime is 1144093981. The next prime is 1144094009. The reversal of 1144093997 is 7993904411.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 965096356 + 178997641 = 31066^2 + 13379^2 .

It is an emirp because it is prime and its reverse (7993904411) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1144093997 - 2⁴ = 1144093981 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1144053997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 572046998 + 572046999.

It is an arithmetic number, because the mean of its divisors is an integer number (572046999).

Almost surely, 2^1144093997 is an apocalyptic number.

It is an amenable number.

1144093997 is a deficient number, since it is larger than the sum of its proper divisors (1).

1144093997 is an equidigital number, since it uses as much as digits as its factorization.

1144093997 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 244944, while the sum is 47.

The square root of 1144093997 is about 33824.4585618159. The cubic root of 1144093997 is about 1045.8929501201.

The spelling of 1144093997 in words is "one billion, one hundred forty-four million, ninety-three thousand, nine hundred ninety-seven".