1144364774 has 8 divisors (see below), whose sum is σ = 1961768208. Its totient is φ = 490442040.

The previous prime is 1144364773. The next prime is 1144364777. The reversal of 1144364774 is 4774634411.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1144364773) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40870157 + ... + 40870184.

It is an arithmetic number, because the mean of its divisors is an integer number (245221026).

Almost surely, 2^1144364774 is an apocalyptic number.

1144364774 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1144364774 is a deficient number, since it is larger than the sum of its proper divisors (817403434).

1144364774 is an equidigital number, since it uses as much as digits as its factorization.

1144364774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81740350.

The product of its digits is 225792, while the sum is 41.

The square root of 1144364774 is about 33828.4610054906. The cubic root of 1144364774 is about 1045.9754554086.

The spelling of 1144364774 in words is "one billion, one hundred forty-four million, three hundred sixty-four thousand, seven hundred seventy-four".