144555039 has 6 divisors (see below), whose sum is σ = 208801736. Its totient is φ = 96370020.

The previous prime is 144555011. The next prime is 144555043. The reversal of 144555039 is 930555441.

144555039 is a `hidden beast` number, since 144 + 5 + 5 + 503 + 9 = 666.

It is not a de Polignac number, because 144555039 - 2⁵ = 144555007 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 144554994 and 144555012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144555049) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8030827 + ... + 8030844.

Almost surely, 2^144555039 is an apocalyptic number.

144555039 is a deficient number, since it is larger than the sum of its proper divisors (64246697).

144555039 is a wasteful number, since it uses less digits than its factorization.

144555039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16061677 (or 16061674 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 36.

The square root of 144555039 is about 12023.1043828123. The cubic root of 144555039 is about 524.8208477161.

The spelling of 144555039 in words is "one hundred forty-four million, five hundred fifty-five thousand, thirty-nine".