1144446198 has 32 divisors (see below), whose sum is σ = 2706082560. Its totient is φ = 315708960.

The previous prime is 1144446179. The next prime is 1144446217. The reversal of 1144446198 is 8916444411.

It is an interprime number because it is at equal distance from previous prime (1144446179) and next prime (1144446217).

It is a Harshad number since it is a multiple of its sum of digits (42).

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 15 ways as a sum of consecutive naturals, for example, 468588 + ... + 471023.

It is an arithmetic number, because the mean of its divisors is an integer number (84565080).

Almost surely, 2^1144446198 is an apocalyptic number.

1144446198 is an abundant number, since it is smaller than the sum of its proper divisors (1561636362).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1144446198 is a wasteful number, since it uses less digits than its factorization.

1144446198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 939652.

The product of its digits is 110592, while the sum is 42.

The square root of 1144446198 is about 33829.6644677419. The cubic root of 1144446198 is about 1046.0002626168. Note that the first 3 decimals are identical.

The spelling of 1144446198 in words is "one billion, one hundred forty-four million, four hundred forty-six thousand, one hundred ninety-eight".