1142454223 has 2 divisors, whose sum is σ = 1142454224. Its totient is φ = 1142454222.

The previous prime is 1142454169. The next prime is 1142454227. The reversal of 1142454223 is 3224542411.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1142454223 - 2¹³ = 1142446031 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1142454191 and 1142454200.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1142454227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 571227111 + 571227112.

It is an arithmetic number, because the mean of its divisors is an integer number (571227112).

Almost surely, 2^1142454223 is an apocalyptic number.

1142454223 is a deficient number, since it is larger than the sum of its proper divisors (1).

1142454223 is an equidigital number, since it uses as much as digits as its factorization.

1142454223 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7680, while the sum is 28.

The square root of 1142454223 is about 33800.2103987534. The cubic root of 1142454223 is about 1045.3930354629.

Adding to 1142454223 its reverse (3224542411), we get a palindrome (4366996634).

The spelling of 1142454223 in words is "one billion, one hundred forty-two million, four hundred fifty-four thousand, two hundred twenty-three".