321134154445 has 8 divisors (see below), whose sum is σ = 415004138136. Its totient is φ = 237145221696.

The previous prime is 321134154379. The next prime is 321134154461. The reversal of 321134154445 is 544451431123.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 70996135401 + 250138019044 = 266451^2 + 500138^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 321134154445 - 2¹⁵ = 321134121677 is a prime.

It is a super-2 number, since 2×321134154445² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

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, 2470262662 + ... + 2470262791.

It is an arithmetic number, because the mean of its divisors is an integer number (51875517267).

Almost surely, 2^321134154445 is an apocalyptic number.

It is an amenable number.

321134154445 is a deficient number, since it is larger than the sum of its proper divisors (93869983691).

321134154445 is a wasteful number, since it uses less digits than its factorization.

321134154445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4940525471.

The product of its digits is 115200, while the sum is 37.

Adding to 321134154445 its reverse (544451431123), we get a palindrome (865585585568).

The spelling of 321134154445 in words is "three hundred twenty-one billion, one hundred thirty-four million, one hundred fifty-four thousand, four hundred forty-five".