144599947 has 2 divisors, whose sum is σ = 144599948. Its totient is φ = 144599946.

The previous prime is 144599929. The next prime is 144599963. The reversal of 144599947 is 749995441.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 144599947 - 2¹¹ = 144597899 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 144599894 and 144599903.

It is not a weakly prime, because it can be changed into another prime (144599047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72299973 + 72299974.

It is an arithmetic number, because the mean of its divisors is an integer number (72299974).

Almost surely, 2^144599947 is an apocalyptic number.

144599947 is a deficient number, since it is larger than the sum of its proper divisors (1).

144599947 is an equidigital number, since it uses as much as digits as its factorization.

144599947 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1632960, while the sum is 52.

The square root of 144599947 is about 12024.9718086988. The cubic root of 144599947 is about 524.8751896807.

The spelling of 144599947 in words is "one hundred forty-four million, five hundred ninety-nine thousand, nine hundred forty-seven".