1145111022 has 24 divisors (see below), whose sum is σ = 2706626520. Its totient is φ = 347003280.

The previous prime is 1145110991. The next prime is 1145111029. The reversal of 1145111022 is 2201115411.

It is a super-2 number, since 2×1145111022² = 2622558505411768968, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1145110986 and 1145111004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1145111029) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 2891497 + ... + 2891892.

It is an arithmetic number, because the mean of its divisors is an integer number (112776105).

Almost surely, 2^1145111022 is an apocalyptic number.

1145111022 is an abundant number, since it is smaller than the sum of its proper divisors (1561515498).

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

1145111022 is a wasteful number, since it uses less digits than its factorization.

1145111022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5783408 (or 5783405 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 18.

The square root of 1145111022 is about 33839.4890918879. The cubic root of 1145111022 is about 1046.2027685585.

Adding to 1145111022 its reverse (2201115411), we get a palindrome (3346226433).

The spelling of 1145111022 in words is "one billion, one hundred forty-five million, one hundred eleven thousand, twenty-two".