245843892 has 144 divisors (see below), whose sum is σ = 735920640. Its totient is φ = 67751424.

The previous prime is 245843867. The next prime is 245843893. The reversal of 245843892 is 298348542.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245843893) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1055008 + ... + 1055240.

It is an arithmetic number, because the mean of its divisors is an integer number (5110560).

Almost surely, 2^245843892 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 245843892, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (367960320).

245843892 is an abundant number, since it is smaller than the sum of its proper divisors (490076748).

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

245843892 is a wasteful number, since it uses less digits than its factorization.

245843892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 382 (or 377 counting only the distinct ones).

The product of its digits is 552960, while the sum is 45.

The square root of 245843892 is about 15679.4098103213. The cubic root of 245843892 is about 626.4500874987.

The spelling of 245843892 in words is "two hundred forty-five million, eight hundred forty-three thousand, eight hundred ninety-two".