1144243254 has 32 divisors (see below), whose sum is σ = 2853179136. Its totient is φ = 297205920.

The previous prime is 1144243253. The next prime is 1144243273. The reversal of 1144243254 is 4523424411.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1144243253) 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 15 ways as a sum of consecutive naturals, for example, 1237897 + ... + 1238820.

It is an arithmetic number, because the mean of its divisors is an integer number (89161848).

Almost surely, 2^1144243254 is an apocalyptic number.

1144243254 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1144243254 is an abundant number, since it is smaller than the sum of its proper divisors (1708935882).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1144243254 is a wasteful number, since it uses less digits than its factorization.

1144243254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2476740.

The product of its digits is 15360, while the sum is 30.

The square root of 1144243254 is about 33826.6648370779. The cubic root of 1144243254 is about 1045.9384300825.

Adding to 1144243254 its reverse (4523424411), we get a palindrome (5667667665).

The spelling of 1144243254 in words is "one billion, one hundred forty-four million, two hundred forty-three thousand, two hundred fifty-four".