144923049 has 12 divisors (see below), whose sum is σ = 209668212. Its totient is φ = 96460800.

The previous prime is 144923039. The next prime is 144923099. The reversal of 144923049 is 940329441.

It can be written as a sum of positive squares in 2 ways, for example, as 102151449 + 42771600 = 10107^2 + 6540^2 .

It is not a de Polignac number, because 144923049 - 2⁴ = 144923033 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (144923039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6792 + ... + 18329.

It is an arithmetic number, because the mean of its divisors is an integer number (17472351).

Almost surely, 2^144923049 is an apocalyptic number.

It is an amenable number.

144923049 is a deficient number, since it is larger than the sum of its proper divisors (64745163).

144923049 is a wasteful number, since it uses less digits than its factorization.

144923049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25768 (or 25765 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 144923049 is about 12038.3989383971. The cubic root of 144923049 is about 525.2658354387.

The spelling of 144923049 in words is "one hundred forty-four million, nine hundred twenty-three thousand, forty-nine".