545149064564 has 48 divisors (see below), whose sum is σ = 1031436540288. Its totient is φ = 250618935168.

The previous prime is 545149064563. The next prime is 545149064567. The reversal of 545149064564 is 465460941545.

It is a happy number.

It is a super-3 number, since 3×545149064564³ (a number of 36 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545149064563) 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, 25483817 + ... + 25505199.

It is an arithmetic number, because the mean of its divisors is an integer number (21488261256).

Almost surely, 2^545149064564 is an apocalyptic number.

It is an amenable number.

545149064564 is a deficient number, since it is larger than the sum of its proper divisors (486287475724).

545149064564 is a wasteful number, since it uses less digits than its factorization.

545149064564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23304 (or 23302 counting only the distinct ones).

The product of its (nonzero) digits is 10368000, while the sum is 53.

The spelling of 545149064564 in words is "five hundred forty-five billion, one hundred forty-nine million, sixty-four thousand, five hundred sixty-four".