144999629 has 2 divisors, whose sum is σ = 144999630. Its totient is φ = 144999628.

The previous prime is 144999619. The next prime is 144999641. The reversal of 144999629 is 926999441.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 144841225 + 158404 = 12035^2 + 398^2 .

It is a cyclic number.

It is not a de Polignac number, because 144999629 - 2⁸ = 144999373 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (144999619) 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, 72499814 + 72499815.

It is an arithmetic number, because the mean of its divisors is an integer number (72499815).

Almost surely, 2^144999629 is an apocalyptic number.

It is an amenable number.

144999629 is a deficient number, since it is larger than the sum of its proper divisors (1).

144999629 is an equidigital number, since it uses as much as digits as its factorization.

144999629 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1259712, while the sum is 53.

The square root of 144999629 is about 12041.5791738459. The cubic root of 144999629 is about 525.3583391843.

The spelling of 144999629 in words is "one hundred forty-four million, nine hundred ninety-nine thousand, six hundred twenty-nine".