144927137 has 2 divisors, whose sum is σ = 144927138. Its totient is φ = 144927136.

The previous prime is 144927073. The next prime is 144927151. The reversal of 144927137 is 731729441.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 79138816 + 65788321 = 8896^2 + 8111^2 .

It is a cyclic number.

It is not a de Polignac number, because 144927137 - 2⁶ = 144927073 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 144927137.

It is not a weakly prime, because it can be changed into another prime (144927197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72463568 + 72463569.

It is an arithmetic number, because the mean of its divisors is an integer number (72463569).

Almost surely, 2^144927137 is an apocalyptic number.

It is an amenable number.

144927137 is a deficient number, since it is larger than the sum of its proper divisors (1).

144927137 is an equidigital number, since it uses as much as digits as its factorization.

144927137 is an evil number, because the sum of its binary digits is even.

The product of its digits is 42336, while the sum is 38.

The square root of 144927137 is about 12038.5687272200. The cubic root of 144927137 is about 525.2707743046.

The spelling of 144927137 in words is "one hundred forty-four million, nine hundred twenty-seven thousand, one hundred thirty-seven".