144847844 has 12 divisors (see below), whose sum is σ = 253801968. Its totient is φ = 72333000.

The previous prime is 144847823. The next prime is 144847847. The reversal of 144847844 is 448748441.

It is a super-2 number, since 2×144847844² = 41961795822896672, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 144847795 and 144847804.

It is not an unprimeable number, because it can be changed into a prime (144847847) 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, 19082 + ... + 25569.

It is an arithmetic number, because the mean of its divisors is an integer number (21150164).

Almost surely, 2^144847844 is an apocalyptic number.

It is an amenable number.

144847844 is a deficient number, since it is larger than the sum of its proper divisors (108954124).

144847844 is a wasteful number, since it uses less digits than its factorization.

144847844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45466 (or 45464 counting only the distinct ones).

The product of its digits is 458752, while the sum is 44.

The square root of 144847844 is about 12035.2749864721. The cubic root of 144847844 is about 525.1749608851.

The spelling of 144847844 in words is "one hundred forty-four million, eight hundred forty-seven thousand, eight hundred forty-four".