1144342547 has 2 divisors, whose sum is σ = 1144342548. Its totient is φ = 1144342546.

The previous prime is 1144342487. The next prime is 1144342553. The reversal of 1144342547 is 7452434411.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1144342547 - 2¹² = 1144338451 is a prime.

It is not a weakly prime, because it can be changed into another prime (1144342597) by changing a digit.

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 as a sum of consecutive naturals, namely, 572171273 + 572171274.

It is an arithmetic number, because the mean of its divisors is an integer number (572171274).

Almost surely, 2^1144342547 is an apocalyptic number.

1144342547 is a deficient number, since it is larger than the sum of its proper divisors (1).

1144342547 is an equidigital number, since it uses as much as digits as its factorization.

1144342547 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 53760, while the sum is 35.

The square root of 1144342547 is about 33828.1324787521. The cubic root of 1144342547 is about 1045.9686833701.

Adding to 1144342547 its reverse (7452434411), we get a palindrome (8596776958).

The spelling of 1144342547 in words is "one billion, one hundred forty-four million, three hundred forty-two thousand, five hundred forty-seven".