1045255223 has 4 divisors (see below), whose sum is σ = 1069563528. Its totient is φ = 1020946920.

The previous prime is 1045255213. The next prime is 1045255243. The reversal of 1045255223 is 3225525401.

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 1045255223 - 2⁸ = 1045254967 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 (1045255213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12154088 + ... + 12154173.

It is an arithmetic number, because the mean of its divisors is an integer number (267390882).

Almost surely, 2^1045255223 is an apocalyptic number.

1045255223 is a deficient number, since it is larger than the sum of its proper divisors (24308305).

1045255223 is an equidigital number, since it uses as much as digits as its factorization.

1045255223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24308304.

The product of its (nonzero) digits is 12000, while the sum is 29.

The square root of 1045255223 is about 32330.4070961069. The cubic root of 1045255223 is about 1014.8630690411.

The spelling of 1045255223 in words is "one billion, forty-five million, two hundred fifty-five thousand, two hundred twenty-three".