144605404 has 12 divisors (see below), whose sum is σ = 253149624. Its totient is φ = 72276944.

The previous prime is 144605399. The next prime is 144605407. The reversal of 144605404 is 404506441.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144605407) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12159 + ... + 20905.

It is an arithmetic number, because the mean of its divisors is an integer number (21095802).

Almost surely, 2^144605404 is an apocalyptic number.

It is an amenable number.

144605404 is a deficient number, since it is larger than the sum of its proper divisors (108544220).

144605404 is a wasteful number, since it uses less digits than its factorization.

144605404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12884 (or 12882 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 28.

The square root of 144605404 is about 12025.1987093769. The cubic root of 144605404 is about 524.8817922831.

The spelling of 144605404 in words is "one hundred forty-four million, six hundred five thousand, four hundred four".