144322404 has 24 divisors (see below), whose sum is σ = 354476640. Its totient is φ = 45575424.

The previous prime is 144322393. The next prime is 144322427. The reversal of 144322404 is 404223441.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 316269 + ... + 316724.

It is an arithmetic number, because the mean of its divisors is an integer number (14769860).

Almost surely, 2^144322404 is an apocalyptic number.

It is an amenable number.

144322404 is an abundant number, since it is smaller than the sum of its proper divisors (210154236).

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

144322404 is a wasteful number, since it uses less digits than its factorization.

144322404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 633019 (or 633017 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

The square root of 144322404 is about 12013.4259892838. The cubic root of 144322404 is about 524.5391620409.

Adding to 144322404 its reverse (404223441), we get a palindrome (548545845).

It can be divided in two parts, 14432 and 2404, that added together give a triangular number (16836 = T₁₈₃).

The spelling of 144322404 in words is "one hundred forty-four million, three hundred twenty-two thousand, four hundred four".