245645214 has 16 divisors (see below), whose sum is σ = 491596560. Its totient is φ = 81830720.

The previous prime is 245645201. The next prime is 245645237. The reversal of 245645214 is 412546542.

It is a super-2 number, since 2×245645214² = 120683142322211592, which contains 22 as substring.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 1569 + ... + 22220.

It is an arithmetic number, because the mean of its divisors is an integer number (30724785).

Almost surely, 2^245645214 is an apocalyptic number.

245645214 is an abundant number, since it is smaller than the sum of its proper divisors (245951346).

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

245645214 is a wasteful number, since it uses less digits than its factorization.

245645214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25515.

The product of its digits is 38400, while the sum is 33.

The square root of 245645214 is about 15673.0728958938. The cubic root of 245645214 is about 626.2812874357.

The spelling of 245645214 in words is "two hundred forty-five million, six hundred forty-five thousand, two hundred fourteen".