245807298 has 80 divisors (see below), whose sum is σ = 604264320. Its totient is φ = 74066400.

The previous prime is 245807293. The next prime is 245807299. The reversal of 245807298 is 892708542.

245807298 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245807293) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 482668 + ... + 483176.

It is an arithmetic number, because the mean of its divisors is an integer number (7553304).

Almost surely, 2^245807298 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 245807298, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (302132160).

245807298 is an abundant number, since it is smaller than the sum of its proper divisors (358457022).

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

245807298 is a wasteful number, since it uses less digits than its factorization.

245807298 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 805 (or 796 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 45.

The square root of 245807298 is about 15678.2428224594. The cubic root of 245807298 is about 626.4190034751.

It can be divided in two parts, 24580 and 7298, that added together give a triangular number (31878 = T₂₅₂).

The spelling of 245807298 in words is "two hundred forty-five million, eight hundred seven thousand, two hundred ninety-eight".