144794448 has 60 divisors (see below), whose sum is σ = 419208660. Its totient is φ = 46599168.

The previous prime is 144794443. The next prime is 144794467. The reversal of 144794448 is 844497441.

It can be written as a sum of positive squares in 2 ways, for example, as 38044224 + 106750224 = 6168^2 + 10332^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144794443) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13161 + ... + 21512.

It is an arithmetic number, because the mean of its divisors is an integer number (6986811).

Almost surely, 2^144794448 is an apocalyptic number.

144794448 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

144794448 is an abundant number, since it is smaller than the sum of its proper divisors (274414212).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

144794448 is a wasteful number, since it uses less digits than its factorization.

144794448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34716 (or 34707 counting only the distinct ones).

The product of its digits is 516096, while the sum is 45.

The square root of 144794448 is about 12033.0564695758. The cubic root of 144794448 is about 525.1104203117.

The spelling of 144794448 in words is "one hundred forty-four million, seven hundred ninety-four thousand, four hundred forty-eight".