1145142222 has 32 divisors (see below), whose sum is σ = 2618737152. Its totient is φ = 327024864.

The previous prime is 1145142211. The next prime is 1145142233. The reversal of 1145142222 is 2222415411.

It is an interprime number because it is at equal distance from previous prime (1145142211) and next prime (1145142233).

It is a super-2 number, since 2×1145142222² = 2622701417214194568, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1145142192 and 1145142201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 102063 + ... + 112725.

It is an arithmetic number, because the mean of its divisors is an integer number (81835536).

Almost surely, 2^1145142222 is an apocalyptic number.

1145142222 is an abundant number, since it is smaller than the sum of its proper divisors (1473594930).

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

1145142222 is a wasteful number, since it uses less digits than its factorization.

1145142222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13232.

The product of its digits is 1280, while the sum is 24.

The square root of 1145142222 is about 33839.9500886157. The cubic root of 1145142222 is about 1046.2122701787.

Adding to 1145142222 its reverse (2222415411), we get a palindrome (3367557633).

The spelling of 1145142222 in words is "one billion, one hundred forty-five million, one hundred forty-two thousand, two hundred twenty-two".