144215039 has 2 divisors, whose sum is σ = 144215040. Its totient is φ = 144215038.

The previous prime is 144215023. The next prime is 144215051. The reversal of 144215039 is 930512441.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 144215039 - 2⁴ = 144215023 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (144215009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72107519 + 72107520.

It is an arithmetic number, because the mean of its divisors is an integer number (72107520).

Almost surely, 2^144215039 is an apocalyptic number.

144215039 is a deficient number, since it is larger than the sum of its proper divisors (1).

144215039 is an equidigital number, since it uses as much as digits as its factorization.

144215039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 144215039 is about 12008.9566157931. The cubic root of 144215039 is about 524.4090572279.

The spelling of 144215039 in words is "one hundred forty-four million, two hundred fifteen thousand, thirty-nine".