1144418786 has 16 divisors (see below), whose sum is σ = 1980910464. Its totient is φ = 485702784.

The previous prime is 1144418761. The next prime is 1144418789. The reversal of 1144418786 is 6878144411.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (1144418789) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 395375 + ... + 398258.

It is an arithmetic number, because the mean of its divisors is an integer number (123806904).

Almost surely, 2^1144418786 is an apocalyptic number.

1144418786 is a deficient number, since it is larger than the sum of its proper divisors (836491678).

1144418786 is a wasteful number, since it uses less digits than its factorization.

1144418786 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 793745.

The product of its digits is 172032, while the sum is 44.

The square root of 1144418786 is about 33829.2593179336. The cubic root of 1144418786 is about 1045.9919112156.

The spelling of 1144418786 in words is "one billion, one hundred forty-four million, four hundred eighteen thousand, seven hundred eighty-six".