1144210073 has 2 divisors, whose sum is σ = 1144210074. Its totient is φ = 1144210072.

The previous prime is 1144209991. The next prime is 1144210079. The reversal of 1144210073 is 3700124411.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 867420304 + 276789769 = 29452^2 + 16637^2 .

It is a cyclic number.

It is not a de Polignac number, because 1144210073 - 2⁸ = 1144209817 is a prime.

It is not a weakly prime, because it can be changed into another prime (1144210079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 572105036 + 572105037.

It is an arithmetic number, because the mean of its divisors is an integer number (572105037).

Almost surely, 2^1144210073 is an apocalyptic number.

It is an amenable number.

1144210073 is a deficient number, since it is larger than the sum of its proper divisors (1).

1144210073 is an equidigital number, since it uses as much as digits as its factorization.

1144210073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 1144210073 is about 33826.1743772482. The cubic root of 1144210073 is about 1045.9283198726.

Adding to 1144210073 its reverse (3700124411), we get a palindrome (4844334484).

The spelling of 1144210073 in words is "one billion, one hundred forty-four million, two hundred ten thousand, seventy-three".