1144404197 has 2 divisors, whose sum is σ = 1144404198. Its totient is φ = 1144404196.

The previous prime is 1144404187. The next prime is 1144404211. The reversal of 1144404197 is 7914044411.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 644702881 + 499701316 = 25391^2 + 22354^2 .

It is a cyclic number.

It is not a de Polignac number, because 1144404197 - 2⁶ = 1144404133 is a prime.

It is a super-2 number, since 2×1144404197² = 2619321932222429618, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1144404187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 572202098 + 572202099.

It is an arithmetic number, because the mean of its divisors is an integer number (572202099).

Almost surely, 2^1144404197 is an apocalyptic number.

It is an amenable number.

1144404197 is a deficient number, since it is larger than the sum of its proper divisors (1).

1144404197 is an equidigital number, since it uses as much as digits as its factorization.

1144404197 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16128, while the sum is 35.

The square root of 1144404197 is about 33829.0436902967. The cubic root of 1144404197 is about 1045.9874664439.

The spelling of 1144404197 in words is "one billion, one hundred forty-four million, four hundred four thousand, one hundred ninety-seven".