1145400322 has 24 divisors (see below), whose sum is σ = 1959345360. Its totient is φ = 497995080.

The previous prime is 1145400317. The next prime is 1145400323. The reversal of 1145400322 is 2230045411.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 1145400293 and 1145400302.

It is not an unprimeable number, because it can be changed into a prime (1145400323) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 37572 + ... + 60847.

It is an arithmetic number, because the mean of its divisors is an integer number (81639390).

Almost surely, 2^1145400322 is an apocalyptic number.

1145400322 is a deficient number, since it is larger than the sum of its proper divisors (813945038).

1145400322 is a wasteful number, since it uses less digits than its factorization.

1145400322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98478 (or 98455 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 1145400322 is about 33843.7634136631. The cubic root of 1145400322 is about 1046.2908651041.

Adding to 1145400322 its reverse (2230045411), we get a palindrome (3375445733).

The spelling of 1145400322 in words is "one billion, one hundred forty-five million, four hundred thousand, three hundred twenty-two".