1144352427 has 4 divisors (see below), whose sum is σ = 1525803240. Its totient is φ = 762901616.

The previous prime is 1144352413. The next prime is 1144352431. The reversal of 1144352427 is 7242534411.

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

It is a cyclic number.

It is not a de Polignac number, because 1144352427 - 2⁸ = 1144352171 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1144352827) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 190725402 + ... + 190725407.

It is an arithmetic number, because the mean of its divisors is an integer number (381450810).

Almost surely, 2^1144352427 is an apocalyptic number.

1144352427 is a deficient number, since it is larger than the sum of its proper divisors (381450813).

1144352427 is an equidigital number, since it uses as much as digits as its factorization.

1144352427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 381450812.

The product of its digits is 26880, while the sum is 33.

The square root of 1144352427 is about 33828.2785107371. The cubic root of 1144352427 is about 1045.9716935821.

Adding to 1144352427 its reverse (7242534411), we get a palindrome (8386886838).

The spelling of 1144352427 in words is "one billion, one hundred forty-four million, three hundred fifty-two thousand, four hundred twenty-seven".