1145056322 has 4 divisors (see below), whose sum is σ = 1717584486. Its totient is φ = 572528160.

The previous prime is 1145056321. The next prime is 1145056343. The reversal of 1145056322 is 2236505411.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 603144481 + 541911841 = 24559^2 + 23279^2 .

It is a super-2 number, since 2×1145056322² = 2622307961104335368, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1145056321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 286264079 + ... + 286264082.

Almost surely, 2^1145056322 is an apocalyptic number.

1145056322 is a deficient number, since it is larger than the sum of its proper divisors (572528164).

1145056322 is an equidigital number, since it uses as much as digits as its factorization.

1145056322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 572528163.

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 1145056322 is about 33838.6808549033. The cubic root of 1145056322 is about 1046.1861098528.

The spelling of 1145056322 in words is "one billion, one hundred forty-five million, fifty-six thousand, three hundred twenty-two".