144715933 has 2 divisors, whose sum is σ = 144715934. Its totient is φ = 144715932.

The previous prime is 144715871. The next prime is 144715939. The reversal of 144715933 is 339517441.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 99261369 + 45454564 = 9963^2 + 6742^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-144715933 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 144715892 and 144715901.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (144715939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72357966 + 72357967.

It is an arithmetic number, because the mean of its divisors is an integer number (72357967).

Almost surely, 2^144715933 is an apocalyptic number.

It is an amenable number.

144715933 is a deficient number, since it is larger than the sum of its proper divisors (1).

144715933 is an equidigital number, since it uses as much as digits as its factorization.

144715933 is an evil number, because the sum of its binary digits is even.

The product of its digits is 45360, while the sum is 37.

The square root of 144715933 is about 12029.7935560009. The cubic root of 144715933 is about 525.0154891878.

The spelling of 144715933 in words is "one hundred forty-four million, seven hundred fifteen thousand, nine hundred thirty-three".