144992849 has 2 divisors, whose sum is σ = 144992850. Its totient is φ = 144992848.

The previous prime is 144992843. The next prime is 144992917. The reversal of 144992849 is 948299441.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 136142224 + 8850625 = 11668^2 + 2975^2 .

It is a cyclic number.

It is not a de Polignac number, because 144992849 - 2⁴ = 144992833 is a prime.

It is a super-2 number, since 2×144992849² = 42045852522273602, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 144992797 and 144992806.

It is not a weakly prime, because it can be changed into another prime (144992843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72496424 + 72496425.

It is an arithmetic number, because the mean of its divisors is an integer number (72496425).

Almost surely, 2^144992849 is an apocalyptic number.

It is an amenable number.

144992849 is a deficient number, since it is larger than the sum of its proper divisors (1).

144992849 is an equidigital number, since it uses as much as digits as its factorization.

144992849 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 746496, while the sum is 50.

The square root of 144992849 is about 12041.2976460181. The cubic root of 144992849 is about 525.3501506919.

The spelling of 144992849 in words is "one hundred forty-four million, nine hundred ninety-two thousand, eight hundred forty-nine".