1144085149 has 2 divisors, whose sum is σ = 1144085150. Its totient is φ = 1144085148.

The previous prime is 1144085147. The next prime is 1144085153. The reversal of 1144085149 is 9415804411.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 849722500 + 294362649 = 29150^2 + 17157^2 .

It is a cyclic number.

It is not a de Polignac number, because 1144085149 - 2¹ = 1144085147 is a prime.

Together with 1144085147, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1144085147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 572042574 + 572042575.

It is an arithmetic number, because the mean of its divisors is an integer number (572042575).

Almost surely, 2^1144085149 is an apocalyptic number.

It is an amenable number.

1144085149 is a deficient number, since it is larger than the sum of its proper divisors (1).

1144085149 is an equidigital number, since it uses as much as digits as its factorization.

1144085149 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23040, while the sum is 37.

The square root of 1144085149 is about 33824.3277686342. The cubic root of 1144085149 is about 1045.8902539300.

The spelling of 1144085149 in words is "one billion, one hundred forty-four million, eighty-five thousand, one hundred forty-nine".