1145023422 has 8 divisors (see below), whose sum is σ = 2290046856. Its totient is φ = 381674472.

The previous prime is 1145023403. The next prime is 1145023433. The reversal of 1145023422 is 2243205411.

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

1145023422 is an admirable number.

It is a super-2 number, since 2×1145023422² = 2622157273857180168, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1145023392 and 1145023401.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 95418613 + ... + 95418624.

It is an arithmetic number, because the mean of its divisors is an integer number (286255857).

Almost surely, 2^1145023422 is an apocalyptic number.

1145023422 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1145023422 is a wasteful number, since it uses less digits than its factorization.

1145023422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190837242.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 1145023422 is about 33838.1947213500. The cubic root of 1145023422 is about 1046.1760900101.

Adding to 1145023422 its reverse (2243205411), we get a palindrome (3388228833).

The spelling of 1145023422 in words is "one billion, one hundred forty-five million, twenty-three thousand, four hundred twenty-two".