1145562322 has 4 divisors (see below), whose sum is σ = 1718343486. Its totient is φ = 572781160.

The previous prime is 1145562293. The next prime is 1145562347. The reversal of 1145562322 is 2232655411.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2232655411 = 7 ⋅318950773.

It can be written as a sum of positive squares in only one way, i.e., 1025856841 + 119705481 = 32029^2 + 10941^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 286390579 + ... + 286390582.

Almost surely, 2^1145562322 is an apocalyptic number.

1145562322 is a deficient number, since it is larger than the sum of its proper divisors (572781164).

1145562322 is an equidigital number, since it uses as much as digits as its factorization.

1145562322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 572781163.

The product of its digits is 14400, while the sum is 31.

The square root of 1145562322 is about 33846.1566798950. The cubic root of 1145562322 is about 1046.3401902546.

The spelling of 1145562322 in words is "one billion, one hundred forty-five million, five hundred sixty-two thousand, three hundred twenty-two".