245420214 has 32 divisors (see below), whose sum is σ = 546829920. Its totient is φ = 72909312.

The previous prime is 245420213. The next prime is 245420237. The reversal of 245420214 is 412024542.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245420213) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 51987 + ... + 56510.

It is an arithmetic number, because the mean of its divisors is an integer number (17088435).

Almost surely, 2^245420214 is an apocalyptic number.

245420214 is an abundant number, since it is smaller than the sum of its proper divisors (301409706).

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

245420214 is a wasteful number, since it uses less digits than its factorization.

245420214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108544.

The product of its (nonzero) digits is 2560, while the sum is 24.

The square root of 245420214 is about 15665.8933355235. The cubic root of 245420214 is about 626.0900138333.

Adding to 245420214 its reverse (412024542), we get a palindrome (657444756).

The spelling of 245420214 in words is "two hundred forty-five million, four hundred twenty thousand, two hundred fourteen".