212594145 has 16 divisors (see below), whose sum is σ = 343273920. Its totient is φ = 112342464.

The previous prime is 212594117. The next prime is 212594167. The reversal of 212594145 is 541495212.

It is a de Polignac number, because none of the positive numbers 2^k-212594145 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63379 + ... + 66648.

It is an arithmetic number, because the mean of its divisors is an integer number (21454620).

Almost surely, 2^212594145 is an apocalyptic number.

It is an amenable number.

212594145 is a deficient number, since it is larger than the sum of its proper divisors (130679775).

212594145 is a wasteful number, since it uses less digits than its factorization.

212594145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130144.

The product of its digits is 14400, while the sum is 33.

The square root of 212594145 is about 14580.6085263956. The cubic root of 212594145 is about 596.8297088154.

The spelling of 212594145 in words is "two hundred twelve million, five hundred ninety-four thousand, one hundred forty-five".