144833906 has 12 divisors (see below), whose sum is σ = 252720558. Its totient is φ = 62071632.

The previous prime is 144833893. The next prime is 144833951. The reversal of 144833906 is 609338441.

It can be written as a sum of positive squares in only one way, i.e., 127486681 + 17347225 = 11291^2 + 4165^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 144833906.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 738851 + ... + 739046.

Almost surely, 2^144833906 is an apocalyptic number.

144833906 is a deficient number, since it is larger than the sum of its proper divisors (107886652).

144833906 is a wasteful number, since it uses less digits than its factorization.

144833906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1477913 (or 1477906 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 38.

The square root of 144833906 is about 12034.6959247004. The cubic root of 144833906 is about 525.1581153383.

The spelling of 144833906 in words is "one hundred forty-four million, eight hundred thirty-three thousand, nine hundred six".