322402145 has 12 divisors (see below), whose sum is σ = 418933116. Its totient is φ = 238080960.

The previous prime is 322402133. The next prime is 322402151. The reversal of 322402145 is 541204223.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 150503824 + 171898321 = 12268^2 + 13111^2 .

It is not a de Polignac number, because 322402145 - 2¹² = 322398049 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 322402145.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 189926 + ... + 191615.

It is an arithmetic number, because the mean of its divisors is an integer number (34911093).

Almost surely, 2^322402145 is an apocalyptic number.

It is an amenable number.

322402145 is a deficient number, since it is larger than the sum of its proper divisors (96530971).

322402145 is a wasteful number, since it uses less digits than its factorization.

322402145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 381572 (or 381559 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 322402145 is about 17955.5602808712. The cubic root of 322402145 is about 685.6976180948.

Adding to 322402145 its reverse (541204223), we get a palindrome (863606368).

The spelling of 322402145 in words is "three hundred twenty-two million, four hundred two thousand, one hundred forty-five".