144135604 has 24 divisors (see below), whose sum is σ = 254643200. Its totient is φ = 71384544.

The previous prime is 144135601. The next prime is 144135611. The reversal of 144135604 is 406531441.

144135604 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144135601) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 311077 + ... + 311539.

Almost surely, 2^144135604 is an apocalyptic number.

It is an amenable number.

144135604 is a deficient number, since it is larger than the sum of its proper divisors (110507596).

144135604 is a wasteful number, since it uses less digits than its factorization.

144135604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1039 (or 1037 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 144135604 is about 12005.6488371100. The cubic root of 144135604 is about 524.3127563975.

The spelling of 144135604 in words is "one hundred forty-four million, one hundred thirty-five thousand, six hundred four".