144385039 has 2 divisors, whose sum is σ = 144385040. Its totient is φ = 144385038.

The previous prime is 144385001. The next prime is 144385049. The reversal of 144385039 is 930583441.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 144385039 - 2¹³ = 144376847 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 144384989 and 144385007.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (144385049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72192519 + 72192520.

It is an arithmetic number, because the mean of its divisors is an integer number (72192520).

Almost surely, 2^144385039 is an apocalyptic number.

144385039 is a deficient number, since it is larger than the sum of its proper divisors (1).

144385039 is an equidigital number, since it uses as much as digits as its factorization.

144385039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 51840, while the sum is 37.

The square root of 144385039 is about 12016.0325815138. The cubic root of 144385039 is about 524.6150332796.

The spelling of 144385039 in words is "one hundred forty-four million, three hundred eighty-five thousand, thirty-nine".