144942559 has 2 divisors, whose sum is σ = 144942560. Its totient is φ = 144942558.

The previous prime is 144942547. The next prime is 144942563. The reversal of 144942559 is 955249441.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 144942559 - 2¹¹ = 144940511 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (144942509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72471279 + 72471280.

It is an arithmetic number, because the mean of its divisors is an integer number (72471280).

Almost surely, 2^144942559 is an apocalyptic number.

144942559 is a deficient number, since it is larger than the sum of its proper divisors (1).

144942559 is an equidigital number, since it uses as much as digits as its factorization.

144942559 is an evil number, because the sum of its binary digits is even.

The product of its digits is 259200, while the sum is 43.

The square root of 144942559 is about 12039.2092348293. The cubic root of 144942559 is about 525.2894053647.

The spelling of 144942559 in words is "one hundred forty-four million, nine hundred forty-two thousand, five hundred fifty-nine".