322432551145 has 4 divisors (see below), whose sum is σ = 386919061380. Its totient is φ = 257946040912.

The previous prime is 322432551137. The next prime is 322432551151. The reversal of 322432551145 is 541155234223.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 136660344976 + 185772206169 = 369676^2 + 431013^2 .

It is a cyclic number.

It is not a de Polignac number, because 322432551145 - 2³ = 322432551137 is a prime.

It is a super-2 number, since 2×322432551145² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32243255110 + ... + 32243255119.

It is an arithmetic number, because the mean of its divisors is an integer number (96729765345).

Almost surely, 2^322432551145 is an apocalyptic number.

It is an amenable number.

322432551145 is a deficient number, since it is larger than the sum of its proper divisors (64486510235).

322432551145 is an equidigital number, since it uses as much as digits as its factorization.

322432551145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64486510234.

The product of its digits is 144000, while the sum is 37.

Adding to 322432551145 its reverse (541155234223), we get a palindrome (863587785368).

The spelling of 322432551145 in words is "three hundred twenty-two billion, four hundred thirty-two million, five hundred fifty-one thousand, one hundred forty-five".