234212845 has 16 divisors (see below), whose sum is σ = 294030000. Its totient is φ = 178866688.

The previous prime is 234212837. The next prime is 234212861. The reversal of 234212845 is 548212432.

It can be written as a sum of positive squares in 8 ways, for example, as 25381444 + 208831401 = 5038^2 + 14451^2 .

It is a cyclic number.

It is not a de Polignac number, because 234212845 - 2³ = 234212837 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3831 + ... + 21979.

It is an arithmetic number, because the mean of its divisors is an integer number (18376875).

Almost surely, 2^234212845 is an apocalyptic number.

It is an amenable number.

234212845 is a deficient number, since it is larger than the sum of its proper divisors (59817155).

234212845 is a wasteful number, since it uses less digits than its factorization.

234212845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18272.

The product of its digits is 15360, while the sum is 31.

The square root of 234212845 is about 15304.0140159371. The cubic root of 234212845 is about 616.4107960470.

The spelling of 234212845 in words is "two hundred thirty-four million, two hundred twelve thousand, eight hundred forty-five".