144643892 has 12 divisors (see below), whose sum is σ = 261292416. Its totient is φ = 69988920.

The previous prime is 144643883. The next prime is 144643913. The reversal of 144643892 is 298346441.

144643892 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 an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 583118 + ... + 583365.

It is an arithmetic number, because the mean of its divisors is an integer number (21774368).

Almost surely, 2^144643892 is an apocalyptic number.

It is an amenable number.

144643892 is a deficient number, since it is larger than the sum of its proper divisors (116648524).

144643892 is a wasteful number, since it uses less digits than its factorization.

144643892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1166518 (or 1166516 counting only the distinct ones).

The product of its digits is 165888, while the sum is 41.

The square root of 144643892 is about 12026.7989091030. The cubic root of 144643892 is about 524.9283554540.

The spelling of 144643892 in words is "one hundred forty-four million, six hundred forty-three thousand, eight hundred ninety-two".