1144656043 has 8 divisors (see below), whose sum is σ = 1163264000. Its totient is φ = 1126151208.

The previous prime is 1144656041. The next prime is 1144656047. The reversal of 1144656043 is 3406564411.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1144656043 - 2¹ = 1144656041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1144656041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3243 + ... + 47956.

It is an arithmetic number, because the mean of its divisors is an integer number (145408000).

Almost surely, 2^1144656043 is an apocalyptic number.

1144656043 is a deficient number, since it is larger than the sum of its proper divisors (18607957).

1144656043 is an equidigital number, since it uses as much as digits as its factorization.

1144656043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51561.

The product of its (nonzero) digits is 34560, while the sum is 34.

The square root of 1144656043 is about 33832.7658195425. The cubic root of 1144656043 is about 1046.0641900463.

The spelling of 1144656043 in words is "one billion, one hundred forty-four million, six hundred fifty-six thousand, forty-three".