322140145 has 8 divisors (see below), whose sum is σ = 389350080. Its totient is φ = 255857520.

The previous prime is 322140109. The next prime is 322140173. The reversal of 322140145 is 541041223.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 322140145 - 2¹¹ = 322138097 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 231061 + ... + 232450.

It is an arithmetic number, because the mean of its divisors is an integer number (48668760).

Almost surely, 2^322140145 is an apocalyptic number.

It is an amenable number.

322140145 is a deficient number, since it is larger than the sum of its proper divisors (67209935).

322140145 is a wasteful number, since it uses less digits than its factorization.

322140145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 463655.

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

The square root of 322140145 is about 17948.2630078791. The cubic root of 322140145 is about 685.5118237738.

Adding to 322140145 its reverse (541041223), we get a palindrome (863181368).

The spelling of 322140145 in words is "three hundred twenty-two million, one hundred forty thousand, one hundred forty-five".