144481404 has 24 divisors (see below), whose sum is σ = 337499008. Its totient is φ = 48106800.

The previous prime is 144481391. The next prime is 144481427. The reversal of 144481404 is 404184441.

144481404 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×144481404² = 41749752203622432, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5379 + ... + 17829.

Almost surely, 2^144481404 is an apocalyptic number.

It is an amenable number.

144481404 is an abundant number, since it is smaller than the sum of its proper divisors (193017604).

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

144481404 is a wasteful number, since it uses less digits than its factorization.

144481404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13425 (or 13423 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 30.

The square root of 144481404 is about 12020.0417636546. The cubic root of 144481404 is about 524.7317196187.

The spelling of 144481404 in words is "one hundred forty-four million, four hundred eighty-one thousand, four hundred four".