1144307045 has 12 divisors (see below), whose sum is σ = 1597359564. Its totient is φ = 784667520.

The previous prime is 1144307041. The next prime is 1144307057. The reversal of 1144307045 is 5407034411.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 884646049 + 259660996 = 29743^2 + 16114^2 .

It is not a de Polignac number, because 1144307045 - 2² = 1144307041 is a prime.

It is a super-2 number, since 2×1144307045² = 2618877226473264050, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1144306999 and 1144307017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1144307041) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2335076 + ... + 2335565.

It is an arithmetic number, because the mean of its divisors is an integer number (133113297).

Almost surely, 2^1144307045 is an apocalyptic number.

It is an amenable number.

1144307045 is a deficient number, since it is larger than the sum of its proper divisors (453052519).

1144307045 is an equidigital number, since it uses as much as digits as its factorization.

1144307045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4670660 (or 4670653 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 1144307045 is about 33827.6077339205. The cubic root of 1144307045 is about 1045.9578665728.

The spelling of 1144307045 in words is "one billion, one hundred forty-four million, three hundred seven thousand, forty-five".