1145345222 has 8 divisors (see below), whose sum is σ = 1963448976. Its totient is φ = 490862232.

The previous prime is 1145345207. The next prime is 1145345231. The reversal of 1145345222 is 2225435411.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40905173 + ... + 40905200.

It is an arithmetic number, because the mean of its divisors is an integer number (245431122).

Almost surely, 2^1145345222 is an apocalyptic number.

1145345222 is a deficient number, since it is larger than the sum of its proper divisors (818103754).

1145345222 is an equidigital number, since it uses as much as digits as its factorization.

1145345222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81810382.

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

The square root of 1145345222 is about 33842.9493691079. The cubic root of 1145345222 is about 1046.2740874035.

The spelling of 1145345222 in words is "one billion, one hundred forty-five million, three hundred forty-five thousand, two hundred twenty-two".