144254857 has 2 divisors, whose sum is σ = 144254858. Its totient is φ = 144254856.

The previous prime is 144254833. The next prime is 144254861. The reversal of 144254857 is 758452441.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 139806976 + 4447881 = 11824^2 + 2109^2 .

It is a cyclic number.

It is not a de Polignac number, because 144254857 - 2¹⁹ = 143730569 is a prime.

It is not a weakly prime, because it can be changed into another prime (144254807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72127428 + 72127429.

It is an arithmetic number, because the mean of its divisors is an integer number (72127429).

Almost surely, 2^144254857 is an apocalyptic number.

It is an amenable number.

144254857 is a deficient number, since it is larger than the sum of its proper divisors (1).

144254857 is an equidigital number, since it uses as much as digits as its factorization.

144254857 is an evil number, because the sum of its binary digits is even.

The product of its digits is 179200, while the sum is 40.

The square root of 144254857 is about 12010.6143473180. The cubic root of 144254857 is about 524.4573161763.

The spelling of 144254857 in words is "one hundred forty-four million, two hundred fifty-four thousand, eight hundred fifty-seven".