245208870 has 192 divisors, whose sum is σ = 717050880. Its totient is φ = 60092928.

The previous prime is 245208869. The next prime is 245208877. The reversal of 245208870 is 78802542.

It is a happy number.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245208877) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2169934 + ... + 2170046.

It is an arithmetic number, because the mean of its divisors is an integer number (3734640).

Almost surely, 2^245208870 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 245208870, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (358525440).

245208870 is an abundant number, since it is smaller than the sum of its proper divisors (471842010).

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

245208870 is a wasteful number, since it uses less digits than its factorization.

245208870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201 (or 189 counting only the distinct ones).

The product of its (nonzero) digits is 35840, while the sum is 36.

The square root of 245208870 is about 15659.1465284670. The cubic root of 245208870 is about 625.9102427561.

The spelling of 245208870 in words is "two hundred forty-five million, two hundred eight thousand, eight hundred seventy".