214561145206 has 4 divisors (see below), whose sum is σ = 321841717812. Its totient is φ = 107280572602.

The previous prime is 214561145167. The next prime is 214561145209. The reversal of 214561145206 is 602541165412.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×214561145206² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214561145209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53640286300 + ... + 53640286303.

It is an arithmetic number, because the mean of its divisors is an integer number (80460429453).

Almost surely, 2^214561145206 is an apocalyptic number.

214561145206 is a deficient number, since it is larger than the sum of its proper divisors (107280572606).

214561145206 is a wasteful number, since it uses less digits than its factorization.

214561145206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107280572605.

The product of its (nonzero) digits is 57600, while the sum is 37.

The spelling of 214561145206 in words is "two hundred fourteen billion, five hundred sixty-one million, one hundred forty-five thousand, two hundred six".