245226240 has 216 divisors, whose sum is σ = 969984288. Its totient is φ = 56033280.

The previous prime is 245226227. The next prime is 245226259. The reversal of 245226240 is 42622542.

It is a happy number.

245226240 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 79120 + ... + 82160.

It is an arithmetic number, because the mean of its divisors is an integer number (4490668).

Almost surely, 2^245226240 is an apocalyptic number.

245226240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 245226240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (484992144).

245226240 is an abundant number, since it is smaller than the sum of its proper divisors (724758048).

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

245226240 is a wasteful number, since it uses less digits than its factorization.

245226240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3075 (or 3058 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

The square root of 245226240 is about 15659.7011465736. The cubic root of 245226240 is about 625.9250217269.

Adding to 245226240 its reverse (42622542), we get a palindrome (287848782).

The spelling of 245226240 in words is "two hundred forty-five million, two hundred twenty-six thousand, two hundred forty".