345213570285 has 24 divisors (see below), whose sum is σ = 633568436280. Its totient is φ = 173283674112.

The previous prime is 345213570281. The next prime is 345213570311. The reversal of 345213570285 is 582075312543.

345213570285 is a `hidden beast` number, since 3 + 4 + 52 + 1 + 3 + 570 + 28 + 5 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 62850991401 + 282362578884 = 250701^2 + 531378^2 .

It is not a de Polignac number, because 345213570285 - 2² = 345213570281 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 345213570285.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345213570281) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 225629020 + ... + 225630549.

It is an arithmetic number, because the mean of its divisors is an integer number (26398684845).

Almost surely, 2^345213570285 is an apocalyptic number.

It is an amenable number.

345213570285 is a deficient number, since it is larger than the sum of its proper divisors (288354865995).

345213570285 is a wasteful number, since it uses less digits than its factorization.

345213570285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 451259597 (or 451259594 counting only the distinct ones).

The product of its (nonzero) digits is 1008000, while the sum is 45.

The spelling of 345213570285 in words is "three hundred forty-five billion, two hundred thirteen million, five hundred seventy thousand, two hundred eighty-five".