144999737 has 2 divisors, whose sum is σ = 144999738. Its totient is φ = 144999736.

The previous prime is 144999733. The next prime is 144999761. The reversal of 144999737 is 737999441.

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., 120209296 + 24790441 = 10964^2 + 4979^2 .

It is an emirp because it is prime and its reverse (737999441) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 144999737 - 2² = 144999733 is a prime.

It is not a weakly prime, because it can be changed into another prime (144999731) 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, 72499868 + 72499869.

It is an arithmetic number, because the mean of its divisors is an integer number (72499869).

Almost surely, 2^144999737 is an apocalyptic number.

It is an amenable number.

144999737 is a deficient number, since it is larger than the sum of its proper divisors (1).

144999737 is an equidigital number, since it uses as much as digits as its factorization.

144999737 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1714608, while the sum is 53.

The square root of 144999737 is about 12041.5836583067. The cubic root of 144999737 is about 525.3584696184.

The spelling of 144999737 in words is "one hundred forty-four million, nine hundred ninety-nine thousand, seven hundred thirty-seven".