1144452613 has 2 divisors, whose sum is σ = 1144452614. Its totient is φ = 1144452612.

The previous prime is 1144452583. The next prime is 1144452629. The reversal of 1144452613 is 3162544411.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1056055009 + 88397604 = 32497^2 + 9402^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1144452613 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1144452013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 572226306 + 572226307.

It is an arithmetic number, because the mean of its divisors is an integer number (572226307).

Almost surely, 2^1144452613 is an apocalyptic number.

It is an amenable number.

1144452613 is a deficient number, since it is larger than the sum of its proper divisors (1).

1144452613 is an equidigital number, since it uses as much as digits as its factorization.

1144452613 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11520, while the sum is 31.

The square root of 1144452613 is about 33829.7592808462. The cubic root of 1144452613 is about 1046.0022170058.

The spelling of 1144452613 in words is "one billion, one hundred forty-four million, four hundred fifty-two thousand, six hundred thirteen".