1144455023 has 8 divisors (see below), whose sum is σ = 1169316000. Its totient is φ = 1119715168.

The previous prime is 1144454989. The next prime is 1144455041. The reversal of 1144455023 is 3205544411.

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 1144455023 - 2⁸ = 1144454767 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1144455083) 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, 11048 + ... + 49101.

It is an arithmetic number, because the mean of its divisors is an integer number (146164500).

Almost surely, 2^1144455023 is an apocalyptic number.

1144455023 is a deficient number, since it is larger than the sum of its proper divisors (24860977).

1144455023 is an equidigital number, since it uses as much as digits as its factorization.

1144455023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60561.

The product of its (nonzero) digits is 9600, while the sum is 29.

The square root of 1144455023 is about 33829.7949003537. The cubic root of 1144455023 is about 1046.0029512327.

Adding to 1144455023 its reverse (3205544411), we get a palindrome (4349999434).

The spelling of 1144455023 in words is "one billion, one hundred forty-four million, four hundred fifty-five thousand, twenty-three".