1144662167 has 8 divisors (see below), whose sum is σ = 1249521552. Its totient is φ = 1039936000.

The previous prime is 1144662151. The next prime is 1144662187. The reversal of 1144662167 is 7612664411.

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

It is a cyclic number.

It is not a de Polignac number, because 1144662167 - 2⁴ = 1144662151 is a prime.

It is a super-2 number, since 2×1144662167² = 2620502953122271778, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1144662167.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1144662187) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14888 + ... + 50109.

It is an arithmetic number, because the mean of its divisors is an integer number (156190194).

Almost surely, 2^1144662167 is an apocalyptic number.

1144662167 is a deficient number, since it is larger than the sum of its proper divisors (104859385).

1144662167 is a wasteful number, since it uses less digits than its factorization.

1144662167 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66609.

The product of its digits is 48384, while the sum is 38.

The square root of 1144662167 is about 33832.8563234026. The cubic root of 1144662167 is about 1046.0660555516.

The spelling of 1144662167 in words is "one billion, one hundred forty-four million, six hundred sixty-two thousand, one hundred sixty-seven".