144715939 has 2 divisors, whose sum is σ = 144715940. Its totient is φ = 144715938.

The previous prime is 144715933. The next prime is 144715957. The reversal of 144715939 is 939517441.

It is a weak prime.

It is an emirp because it is prime and its reverse (939517441) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 144715939 - 2¹³ = 144707747 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 144715895 and 144715904.

It is not a weakly prime, because it can be changed into another prime (144715933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72357969 + 72357970.

It is an arithmetic number, because the mean of its divisors is an integer number (72357970).

Almost surely, 2^144715939 is an apocalyptic number.

144715939 is a deficient number, since it is larger than the sum of its proper divisors (1).

144715939 is an equidigital number, since it uses as much as digits as its factorization.

144715939 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 136080, while the sum is 43.

The square root of 144715939 is about 12029.7938053817. The cubic root of 144715939 is about 525.0154964436.

The spelling of 144715939 in words is "one hundred forty-four million, seven hundred fifteen thousand, nine hundred thirty-nine".