1144259345 has 4 divisors (see below), whose sum is σ = 1373111220. Its totient is φ = 915407472.

The previous prime is 1144259339. The next prime is 1144259371. The reversal of 1144259345 is 5439524411.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 143233024 + 1001026321 = 11968^2 + 31639^2 .

It is a cyclic number.

It is not a de Polignac number, because 1144259345 - 2⁸ = 1144259089 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1144259299 and 1144259308.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 114425930 + ... + 114425939.

It is an arithmetic number, because the mean of its divisors is an integer number (343277805).

Almost surely, 2^1144259345 is an apocalyptic number.

It is an amenable number.

1144259345 is a deficient number, since it is larger than the sum of its proper divisors (228851875).

1144259345 is an equidigital number, since it uses as much as digits as its factorization.

1144259345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228851874.

The product of its digits is 86400, while the sum is 38.

The square root of 1144259345 is about 33826.9026811501. The cubic root of 1144259345 is about 1045.9433329201.

The spelling of 1144259345 in words is "one billion, one hundred forty-four million, two hundred fifty-nine thousand, three hundred forty-five".