1149344149 has 2 divisors, whose sum is σ = 1149344150. Its totient is φ = 1149344148.

The previous prime is 1149344137. The next prime is 1149344159. The reversal of 1149344149 is 9414439411.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 849431025 + 299913124 = 29145^2 + 17318^2 .

It is a cyclic number.

It is not a de Polignac number, because 1149344149 - 2⁵ = 1149344117 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1149344129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 574672074 + 574672075.

It is an arithmetic number, because the mean of its divisors is an integer number (574672075).

Almost surely, 2^1149344149 is an apocalyptic number.

It is an amenable number.

1149344149 is a deficient number, since it is larger than the sum of its proper divisors (1).

1149344149 is an equidigital number, since it uses as much as digits as its factorization.

1149344149 is an evil number, because the sum of its binary digits is even.

The product of its digits is 62208, while the sum is 40.

The square root of 1149344149 is about 33901.9785410822. The cubic root of 1149344149 is about 1047.4903476914.

The spelling of 1149344149 in words is "one billion, one hundred forty-nine million, three hundred forty-four thousand, one hundred forty-nine".