144944047 has 4 divisors (see below), whose sum is σ = 144970816. Its totient is φ = 144917280.

The previous prime is 144944039. The next prime is 144944053. The reversal of 144944047 is 740449441.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 144944047 - 2³ = 144944039 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 144943997 and 144944015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144944077) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2079 + ... + 17152.

It is an arithmetic number, because the mean of its divisors is an integer number (36242704).

Almost surely, 2^144944047 is an apocalyptic number.

144944047 is a deficient number, since it is larger than the sum of its proper divisors (26769).

144944047 is an equidigital number, since it uses as much as digits as its factorization.

144944047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26768.

The product of its (nonzero) digits is 64512, while the sum is 37.

The square root of 144944047 is about 12039.2710327494. The cubic root of 144944047 is about 525.2912029226.

The spelling of 144944047 in words is "one hundred forty-four million, nine hundred forty-four thousand, forty-seven".