144434404 has 6 divisors (see below), whose sum is σ = 252760214. Its totient is φ = 72217200.

The previous prime is 144434387. The next prime is 144434429. The reversal of 144434404 is 404434441.

144434404 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 81866304 + 62568100 = 9048^2 + 7910^2 .

It is a super-2 number, since 2×144434404² = 41722594117670432, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18054297 + ... + 18054304.

Almost surely, 2^144434404 is an apocalyptic number.

It is an amenable number.

144434404 is a deficient number, since it is larger than the sum of its proper divisors (108325810).

144434404 is a wasteful number, since it uses less digits than its factorization.

144434404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36108605 (or 36108603 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 28.

The square root of 144434404 is about 12018.0865365498. The cubic root of 144434404 is about 524.6748147971.

Adding to 144434404 its reverse (404434441), we get a palindrome (548868845).

The spelling of 144434404 in words is "one hundred forty-four million, four hundred thirty-four thousand, four hundred four".