245810214 has 40 divisors (see below), whose sum is σ = 593171040. Its totient is φ = 75633264.

The previous prime is 245810209. The next prime is 245810233. The reversal of 245810214 is 412018542.

It is a super-2 number, since 2×245810214² = 120845322613451592, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 56254 + ... + 60465.

It is an arithmetic number, because the mean of its divisors is an integer number (14829276).

Almost surely, 2^245810214 is an apocalyptic number.

245810214 is an abundant number, since it is smaller than the sum of its proper divisors (347360826).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

245810214 is a wasteful number, since it uses less digits than its factorization.

245810214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116746 (or 116737 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 27.

The square root of 245810214 is about 15678.3358172990. The cubic root of 245810214 is about 626.4214805247.

Adding to 245810214 its reverse (412018542), we get a palindrome (657828756).

The spelling of 245810214 in words is "two hundred forty-five million, eight hundred ten thousand, two hundred fourteen".