144605039 has 2 divisors, whose sum is σ = 144605040. Its totient is φ = 144605038.

The previous prime is 144605023. The next prime is 144605053. The reversal of 144605039 is 930506441.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 144605039 - 2⁴ = 144605023 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 144604996 and 144605014.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (144605059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72302519 + 72302520.

It is an arithmetic number, because the mean of its divisors is an integer number (72302520).

Almost surely, 2^144605039 is an apocalyptic number.

144605039 is a deficient number, since it is larger than the sum of its proper divisors (1).

144605039 is an equidigital number, since it uses as much as digits as its factorization.

144605039 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 144605039 is about 12025.1835329029. The cubic root of 144605039 is about 524.8813506629.

The spelling of 144605039 in words is "one hundred forty-four million, six hundred five thousand, thirty-nine".