144415039 has 2 divisors, whose sum is σ = 144415040. Its totient is φ = 144415038.

The previous prime is 144415009. The next prime is 144415057. The reversal of 144415039 is 930514441.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 144415039 - 2⁷ = 144414911 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 144415039.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (144415009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72207519 + 72207520.

It is an arithmetic number, because the mean of its divisors is an integer number (72207520).

Almost surely, 2^144415039 is an apocalyptic number.

144415039 is a deficient number, since it is larger than the sum of its proper divisors (1).

144415039 is an equidigital number, since it uses as much as digits as its factorization.

144415039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 144415039 is about 12017.2808488443. The cubic root of 144415039 is about 524.6513652089.

The spelling of 144415039 in words is "one hundred forty-four million, four hundred fifteen thousand, thirty-nine".