212300045 has 8 divisors (see below), whose sum is σ = 255701760. Its totient is φ = 169212240.

The previous prime is 212300021. The next prime is 212300057. The reversal of 212300045 is 540003212.

212300045 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 212300045 - 2¹⁴ = 212283661 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 212299996 and 212300032.

It is a congruent number.

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, 76985 + ... + 79694.

It is an arithmetic number, because the mean of its divisors is an integer number (31962720).

Almost surely, 2^212300045 is an apocalyptic number.

It is an amenable number.

212300045 is a deficient number, since it is larger than the sum of its proper divisors (43401715).

212300045 is a wasteful number, since it uses less digits than its factorization.

212300045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156955.

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 212300045 is about 14570.5197230572. The cubic root of 212300045 is about 596.5543662991.

Adding to 212300045 its reverse (540003212), we get a palindrome (752303257).

The spelling of 212300045 in words is "two hundred twelve million, three hundred thousand, forty-five".