1144344051 has 8 divisors (see below), whose sum is σ = 1695324560. Its totient is φ = 762896016.

The previous prime is 1144344043. The next prime is 1144344053. The reversal of 1144344051 is 1504434411.

It is not a de Polignac number, because 1144344051 - 2³ = 1144344043 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 42383113 = 1144344051 / (1 + 1 + 4 + 4 + 3 + 4 + 4 + 0 + 5 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1144344053) 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, 21191530 + ... + 21191583.

It is an arithmetic number, because the mean of its divisors is an integer number (211915570).

Almost surely, 2^1144344051 is an apocalyptic number.

1144344051 is a deficient number, since it is larger than the sum of its proper divisors (550980509).

1144344051 is an equidigital number, since it uses as much as digits as its factorization.

1144344051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42383122 (or 42383116 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 1144344051 is about 33828.1547087629. The cubic root of 1144344051 is about 1045.9691416059.

Adding to 1144344051 its reverse (1504434411), we get a palindrome (2648778462).

The spelling of 1144344051 in words is "one billion, one hundred forty-four million, three hundred forty-four thousand, fifty-one".