1144162445 has 4 divisors (see below), whose sum is σ = 1372994940. Its totient is φ = 915329952.

The previous prime is 1144162429. The next prime is 1144162457. The reversal of 1144162445 is 5442614411.

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 886431529 + 257730916 = 29773^2 + 16054^2 .

It is a cyclic number.

It is not a de Polignac number, because 1144162445 - 2⁴ = 1144162429 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 114416240 + ... + 114416249.

It is an arithmetic number, because the mean of its divisors is an integer number (343248735).

Almost surely, 2^1144162445 is an apocalyptic number.

It is an amenable number.

1144162445 is a deficient number, since it is larger than the sum of its proper divisors (228832495).

1144162445 is an equidigital number, since it uses as much as digits as its factorization.

1144162445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228832494.

The product of its digits is 15360, while the sum is 32.

The square root of 1144162445 is about 33825.4703588878. The cubic root of 1144162445 is about 1045.9138073379.

Adding to 1144162445 its reverse (5442614411), we get a palindrome (6586776856).

The spelling of 1144162445 in words is "one billion, one hundred forty-four million, one hundred sixty-two thousand, four hundred forty-five".