213301845 has 24 divisors (see below), whose sum is σ = 372183552. Its totient is φ = 113004000.

The previous prime is 213301843. The next prime is 213301859. The reversal of 213301845 is 548103312.

It is a happy number.

It is not a de Polignac number, because 213301845 - 2¹ = 213301843 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213301841) 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, 8901 + ... + 22490.

It is an arithmetic number, because the mean of its divisors is an integer number (15507648).

Almost surely, 2^213301845 is an apocalyptic number.

It is an amenable number.

213301845 is a deficient number, since it is larger than the sum of its proper divisors (158881707).

213301845 is a wasteful number, since it uses less digits than its factorization.

213301845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31553 (or 31550 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 213301845 is about 14604.8568976214. The cubic root of 213301845 is about 597.4912331014.

The spelling of 213301845 in words is "two hundred thirteen million, three hundred one thousand, eight hundred forty-five".