144717137 has 2 divisors, whose sum is σ = 144717138. Its totient is φ = 144717136.

The previous prime is 144717077. The next prime is 144717149. The reversal of 144717137 is 731717441.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 136445761 + 8271376 = 11681^2 + 2876^2 .

It is a cyclic number.

It is not a de Polignac number, because 144717137 - 2²⁶ = 77608273 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 144717097 and 144717106.

It is not a weakly prime, because it can be changed into another prime (144717187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72358568 + 72358569.

It is an arithmetic number, because the mean of its divisors is an integer number (72358569).

Almost surely, 2^144717137 is an apocalyptic number.

It is an amenable number.

144717137 is a deficient number, since it is larger than the sum of its proper divisors (1).

144717137 is an equidigital number, since it uses as much as digits as its factorization.

144717137 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16464, while the sum is 35.

The square root of 144717137 is about 12029.8435983183. The cubic root of 144717137 is about 525.0169451825.

The spelling of 144717137 in words is "one hundred forty-four million, seven hundred seventeen thousand, one hundred thirty-seven".