144245287 has 2 divisors, whose sum is σ = 144245288. Its totient is φ = 144245286.

The previous prime is 144245273. The next prime is 144245327. The reversal of 144245287 is 782542441.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 144245287 - 2²⁷ = 10027559 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (144248287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72122643 + 72122644.

It is an arithmetic number, because the mean of its divisors is an integer number (72122644).

Almost surely, 2^144245287 is an apocalyptic number.

144245287 is a deficient number, since it is larger than the sum of its proper divisors (1).

144245287 is an equidigital number, since it uses as much as digits as its factorization.

144245287 is an evil number, because the sum of its binary digits is even.

The product of its digits is 71680, while the sum is 37.

The square root of 144245287 is about 12010.2159431044. The cubic root of 144245287 is about 524.4457182595.

The spelling of 144245287 in words is "one hundred forty-four million, two hundred forty-five thousand, two hundred eighty-seven".