249143152 has 20 divisors (see below), whose sum is σ = 483056136. Its totient is φ = 124483520.

The previous prime is 249143117. The next prime is 249143171. The reversal of 249143152 is 251341942.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22002 + ... + 31342.

Almost surely, 2^249143152 is an apocalyptic number.

It is an amenable number.

249143152 is a deficient number, since it is larger than the sum of its proper divisors (233912984).

249143152 is a wasteful number, since it uses less digits than its factorization.

249143152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11016 (or 11010 counting only the distinct ones).

The product of its digits is 8640, while the sum is 31.

The square root of 249143152 is about 15784.2691310051. The cubic root of 249143152 is about 629.2399939175.

The spelling of 249143152 in words is "two hundred forty-nine million, one hundred forty-three thousand, one hundred fifty-two".