1144224774849 has 32 divisors (see below), whose sum is σ = 1831195658880. Its totient is φ = 627838497792.

The previous prime is 1144224774839. The next prime is 1144224774857. The reversal of 1144224774849 is 9484774224411.

It is not a de Polignac number, because 1144224774849 - 2¹⁷ = 1144224643777 is a prime.

It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is not an unprimeable number, because it can be changed into a prime (1144224774839) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 45403962 + ... + 45429155.

It is an arithmetic number, because the mean of its divisors is an integer number (57224864340).

Almost surely, 2^{1144224774849} is an apocalyptic number.

1144224774849 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

1144224774849 is a deficient number, since it is larger than the sum of its proper divisors (686970884031).

1144224774849 is a wasteful number, since it uses less digits than its factorization.

1144224774849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90833169.

The product of its digits is 14450688, while the sum is 57.

The spelling of 1144224774849 in words is "one trillion, one hundred forty-four billion, two hundred twenty-four million, seven hundred seventy-four thousand, eight hundred forty-nine".