1144653451 has 2 divisors, whose sum is σ = 1144653452. Its totient is φ = 1144653450.

The previous prime is 1144653449. The next prime is 1144653467. The reversal of 1144653451 is 1543564411.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1144653451 - 2¹ = 1144653449 is a prime.

Together with 1144653449, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1144653481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 572326725 + 572326726.

It is an arithmetic number, because the mean of its divisors is an integer number (572326726).

Almost surely, 2^1144653451 is an apocalyptic number.

1144653451 is a deficient number, since it is larger than the sum of its proper divisors (1).

1144653451 is an equidigital number, since it uses as much as digits as its factorization.

1144653451 is an evil number, because the sum of its binary digits is even.

The product of its digits is 28800, while the sum is 34.

The square root of 1144653451 is about 33832.7275134595. The cubic root of 1144653451 is about 1046.0634004640.

The spelling of 1144653451 in words is "one billion, one hundred forty-four million, six hundred fifty-three thousand, four hundred fifty-one".