249272158 has 8 divisors (see below), whose sum is σ = 373983480. Its totient is φ = 124611000.

The previous prime is 249272131. The next prime is 249272201. The reversal of 249272158 is 851272942.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 249272158.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4533 + ... + 22783.

It is an arithmetic number, because the mean of its divisors is an integer number (46747935).

Almost surely, 2^249272158 is an apocalyptic number.

249272158 is a deficient number, since it is larger than the sum of its proper divisors (124711322).

249272158 is a wasteful number, since it uses less digits than its factorization.

249272158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25082.

The product of its digits is 80640, while the sum is 40.

The square root of 249272158 is about 15788.3551391524. The cubic root of 249272158 is about 629.3485817275.

The spelling of 249272158 in words is "two hundred forty-nine million, two hundred seventy-two thousand, one hundred fifty-eight".