1145131022 has 32 divisors (see below), whose sum is σ = 2012643072. Its totient is φ = 478425024.

The previous prime is 1145131003. The next prime is 1145131037. The reversal of 1145131022 is 2201315411.

It is a super-2 number, since 2×1145131022² = 2622650115093528968, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1145130985 and 1145131003.

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, 369893 + ... + 372975.

It is an arithmetic number, because the mean of its divisors is an integer number (62895096).

Almost surely, 2^1145131022 is an apocalyptic number.

1145131022 is a deficient number, since it is larger than the sum of its proper divisors (867512050).

1145131022 is a wasteful number, since it uses less digits than its factorization.

1145131022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3752.

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 1145131022 is about 33839.7846033334. The cubic root of 1145131022 is about 1046.2088593605.

Adding to 1145131022 its reverse (2201315411), we get a palindrome (3346446433).

The spelling of 1145131022 in words is "one billion, one hundred forty-five million, one hundred thirty-one thousand, twenty-two".