545225375231 has 8 divisors (see below), whose sum is σ = 569420046720. Its totient is φ = 521071472152.

The previous prime is 545225375209. The next prime is 545225375263. The reversal of 545225375231 is 132573522545.

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 545225375231 - 2²² = 545221180927 is a prime.

It is a super-2 number, since 2×545225375231² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545225375131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10164761 + ... + 10218258.

It is an arithmetic number, because the mean of its divisors is an integer number (71177505840).

Almost surely, 2^545225375231 is an apocalyptic number.

545225375231 is a deficient number, since it is larger than the sum of its proper divisors (24194671489).

545225375231 is a wasteful number, since it uses less digits than its factorization.

545225375231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20384205.

The product of its digits is 1260000, while the sum is 44.

Adding to 545225375231 its reverse (132573522545), we get a palindrome (677798897776).

The spelling of 545225375231 in words is "five hundred forty-five billion, two hundred twenty-five million, three hundred seventy-five thousand, two hundred thirty-one".