1144867382 has 8 divisors (see below), whose sum is σ = 1807685400. Its totient is φ = 542305584.

The previous prime is 1144867379. The next prime is 1144867411. The reversal of 1144867382 is 2837684411.

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

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, 15064007 + ... + 15064082.

It is an arithmetic number, because the mean of its divisors is an integer number (225960675).

Almost surely, 2^1144867382 is an apocalyptic number.

1144867382 is a deficient number, since it is larger than the sum of its proper divisors (662818018).

1144867382 is a wasteful number, since it uses less digits than its factorization.

1144867382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30128110.

The product of its digits is 258048, while the sum is 44.

The square root of 1144867382 is about 33835.8889642344. Note that the first 3 decimals coincide. The cubic root of 1144867382 is about 1046.1285647135.

The spelling of 1144867382 in words is "one billion, one hundred forty-four million, eight hundred sixty-seven thousand, three hundred eighty-two".