321145114545 has 12 divisors (see below), whose sum is σ = 556651531956. Its totient is φ = 171277394400.

The previous prime is 321145114529. The next prime is 321145114553. The reversal of 321145114545 is 545411541123.

321145114545 is a `hidden beast` number, since 3 + 21 + 1 + 451 + 145 + 45 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 75653602704 + 245491511841 = 275052^2 + 495471^2 .

It is not a de Polignac number, because 321145114545 - 2⁴ = 321145114529 is a prime.

It is a super-2 number, since 2×321145114545² (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 11 ways as a sum of consecutive naturals, for example, 3568279006 + ... + 3568279095.

It is an arithmetic number, because the mean of its divisors is an integer number (46387627663).

Almost surely, 2^321145114545 is an apocalyptic number.

It is an amenable number.

321145114545 is a deficient number, since it is larger than the sum of its proper divisors (235506417411).

321145114545 is a wasteful number, since it uses less digits than its factorization.

321145114545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7136558112 (or 7136558109 counting only the distinct ones).

The product of its digits is 48000, while the sum is 36.

Adding to 321145114545 its reverse (545411541123), we get a palindrome (866556655668).

The spelling of 321145114545 in words is "three hundred twenty-one billion, one hundred forty-five million, one hundred fourteen thousand, five hundred forty-five".