1144626243 has 8 divisors (see below), whose sum is σ = 1531600656. Its totient is φ = 760368000.

The previous prime is 1144626239. The next prime is 1144626277. The reversal of 1144626243 is 3426264411.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1144626243 - 2² = 1144626239 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1144616243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 678058 + ... + 679743.

It is an arithmetic number, because the mean of its divisors is an integer number (191450082).

Almost surely, 2^1144626243 is an apocalyptic number.

1144626243 is a deficient number, since it is larger than the sum of its proper divisors (386974413).

1144626243 is a wasteful number, since it uses less digits than its factorization.

1144626243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1358085.

The product of its digits is 27648, while the sum is 33.

The square root of 1144626243 is about 33832.3254152002. The cubic root of 1144626243 is about 1046.0551122150.

The spelling of 1144626243 in words is "one billion, one hundred forty-four million, six hundred twenty-six thousand, two hundred forty-three".