1145426223 has 8 divisors (see below), whose sum is σ = 1576500736. Its totient is φ = 738984600.

The previous prime is 1145426213. The next prime is 1145426231. The reversal of 1145426223 is 3226245411.

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

It is not a de Polignac number, because 1145426223 - 2⁶ = 1145426159 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 (1145426203) 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, 6158113 + ... + 6158298.

It is an arithmetic number, because the mean of its divisors is an integer number (197062592).

Almost surely, 2^1145426223 is an apocalyptic number.

1145426223 is a deficient number, since it is larger than the sum of its proper divisors (431074513).

1145426223 is a wasteful number, since it uses less digits than its factorization.

1145426223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12316445.

The product of its digits is 11520, while the sum is 30.

The square root of 1145426223 is about 33844.1460669345. The cubic root of 1145426223 is about 1046.2987516555.

The spelling of 1145426223 in words is "one billion, one hundred forty-five million, four hundred twenty-six thousand, two hundred twenty-three".