213445500545 has 8 divisors (see below), whose sum is σ = 257421710400. Its totient is φ = 169898327280.

The previous prime is 213445500523. The next prime is 213445500551. The reversal of 213445500545 is 545005544312.

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

It is not a de Polignac number, because 213445500545 - 2²⁴ = 213428723329 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 213445500499 and 213445500508.

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, 107258051 + ... + 107260040.

It is an arithmetic number, because the mean of its divisors is an integer number (32177713800).

Almost surely, 2^213445500545 is an apocalyptic number.

It is an amenable number.

213445500545 is a deficient number, since it is larger than the sum of its proper divisors (43976209855).

213445500545 is a wasteful number, since it uses less digits than its factorization.

213445500545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214518295.

The product of its (nonzero) digits is 240000, while the sum is 38.

The spelling of 213445500545 in words is "two hundred thirteen billion, four hundred forty-five million, five hundred thousand, five hundred forty-five".