545142275532 has 18 divisors (see below), whose sum is σ = 1377998529908. Its totient is φ = 181714091832.

The previous prime is 545142275521. The next prime is 545142275533. The reversal of 545142275532 is 235572241545.

It is a happy number.

545142275532 is a `hidden beast` number, since 5 + 4 + 5 + 1 + 42 + 2 + 75 + 532 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is not an unprimeable number, because it can be changed into a prime (545142275533) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7571420458 + ... + 7571420529.

Almost surely, 2^545142275532 is an apocalyptic number.

It is an amenable number.

545142275532 is an abundant number, since it is smaller than the sum of its proper divisors (832856254376).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

545142275532 is a wasteful number, since it uses less digits than its factorization.

545142275532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15142840997 (or 15142840992 counting only the distinct ones).

The product of its digits is 1680000, while the sum is 45.

The spelling of 545142275532 in words is "five hundred forty-five billion, one hundred forty-two million, two hundred seventy-five thousand, five hundred thirty-two".