545443015324231 has 16 divisors (see below), whose sum is σ = 575529913018368. Its totient is φ = 516201747328800.

The previous prime is 545443015324219. The next prime is 545443015324261. The reversal of 545443015324231 is 132423510344545.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-545443015324231 is a prime.

It is a super-2 number, since 2×545443015324231² (a number of 30 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 (545443015324201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 540179515 + ... + 541188316.

It is an arithmetic number, because the mean of its divisors is an integer number (35970619563648).

Almost surely, 2^{545443015324231} is an apocalyptic number.

545443015324231 is a deficient number, since it is larger than the sum of its proper divisors (30086897694137).

545443015324231 is a wasteful number, since it uses less digits than its factorization.

545443015324231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1081368222.

The product of its (nonzero) digits is 3456000, while the sum is 46.

Adding to 545443015324231 its reverse (132423510344545), we get a palindrome (677866525668776).

The spelling of 545443015324231 in words is "five hundred forty-five trillion, four hundred forty-three billion, fifteen million, three hundred twenty-four thousand, two hundred thirty-one".