1144026451 has 4 divisors (see below), whose sum is σ = 1144182672. Its totient is φ = 1143870232.

The previous prime is 1144026437. The next prime is 1144026469. The reversal of 1144026451 is 1546204411.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1144026451 - 2¹⁹ = 1143502163 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1144026151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66556 + ... + 81961.

It is an arithmetic number, because the mean of its divisors is an integer number (286045668).

Almost surely, 2^1144026451 is an apocalyptic number.

1144026451 is a deficient number, since it is larger than the sum of its proper divisors (156221).

1144026451 is an equidigital number, since it uses as much as digits as its factorization.

1144026451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156220.

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 1144026451 is about 33823.4600684200. The cubic root of 1144026451 is about 1045.8723669408.

The spelling of 1144026451 in words is "one billion, one hundred forty-four million, twenty-six thousand, four hundred fifty-one".