1145161022 has 16 divisors (see below), whose sum is σ = 1728614400. Its totient is φ = 568964088.

The previous prime is 1145161009. The next prime is 1145161067. The reversal of 1145161022 is 2201615411.

It is a super-2 number, since 2×1145161022² = 2622787532616168968, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 431303 + ... + 433949.

It is an arithmetic number, because the mean of its divisors is an integer number (108038400).

Almost surely, 2^1145161022 is an apocalyptic number.

1145161022 is a deficient number, since it is larger than the sum of its proper divisors (583453378).

1145161022 is a wasteful number, since it uses less digits than its factorization.

1145161022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3935.

The product of its (nonzero) digits is 480, while the sum is 23.

The square root of 1145161022 is about 33840.2278656631. The cubic root of 1145161022 is about 1046.2179954306.

Adding to 1145161022 its reverse (2201615411), we get a palindrome (3346776433).

The spelling of 1145161022 in words is "one billion, one hundred forty-five million, one hundred sixty-one thousand, twenty-two".