144585739 has 2 divisors, whose sum is σ = 144585740. Its totient is φ = 144585738.

The previous prime is 144585733. The next prime is 144585743. The reversal of 144585739 is 937585441.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 144585739 - 2⁹ = 144585227 is a prime.

It is a super-2 number, since 2×144585739² = 41810071844352242, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (144585733) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72292869 + 72292870.

It is an arithmetic number, because the mean of its divisors is an integer number (72292870).

Almost surely, 2^144585739 is an apocalyptic number.

144585739 is a deficient number, since it is larger than the sum of its proper divisors (1).

144585739 is an equidigital number, since it uses as much as digits as its factorization.

144585739 is an evil number, because the sum of its binary digits is even.

The product of its digits is 604800, while the sum is 46.

The square root of 144585739 is about 12024.3810235704. The cubic root of 144585739 is about 524.8579981784.

The spelling of 144585739 in words is "one hundred forty-four million, five hundred eighty-five thousand, seven hundred thirty-nine".