144883445 has 18 divisors (see below), whose sum is σ = 202508802. Its totient is φ = 99219456.

The previous prime is 144883433. The next prime is 144883447. The reversal of 144883445 is 544388441.

It can be written as a sum of positive squares in 3 ways, for example, as 6421156 + 138462289 = 2534^2 + 11767^2 .

It is a de Polignac number, because none of the positive numbers 2^k-144883445 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144883447) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 188021 + ... + 188789.

It is an arithmetic number, because the mean of its divisors is an integer number (11250489).

Almost surely, 2^144883445 is an apocalyptic number.

It is an amenable number.

144883445 is a deficient number, since it is larger than the sum of its proper divisors (57625357).

144883445 is an frugal number, since it uses more digits than its factorization.

144883445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1557 (or 781 counting only the distinct ones).

The product of its digits is 245760, while the sum is 41.

The square root of 144883445 is about 12036.7539228814. The cubic root of 144883445 is about 525.2179835533.

The spelling of 144883445 in words is "one hundred forty-four million, eight hundred eighty-three thousand, four hundred forty-five".