144016657 has 2 divisors, whose sum is σ = 144016658. Its totient is φ = 144016656.

The previous prime is 144016651. The next prime is 144016661. The reversal of 144016657 is 756610441.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 135699201 + 8317456 = 11649^2 + 2884^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-144016657 is a prime.

It is not a weakly prime, because it can be changed into another prime (144016651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72008328 + 72008329.

It is an arithmetic number, because the mean of its divisors is an integer number (72008329).

Almost surely, 2^144016657 is an apocalyptic number.

It is an amenable number.

144016657 is a deficient number, since it is larger than the sum of its proper divisors (1).

144016657 is an equidigital number, since it uses as much as digits as its factorization.

144016657 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 144016657 is about 12000.6940215973. The cubic root of 144016657 is about 524.1684881040.

The spelling of 144016657 in words is "one hundred forty-four million, sixteen thousand, six hundred fifty-seven".