245871872 has 36 divisors (see below), whose sum is σ = 493061856. Its totient is φ = 122365440.

The previous prime is 245871853. The next prime is 245871877. The reversal of 245871872 is 278178542.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245871877) 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 3 ways as a sum of consecutive naturals, for example, 55997 + ... + 60227.

Almost surely, 2^245871872 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 245871872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (246530928).

245871872 is an abundant number, since it is smaller than the sum of its proper divisors (247189984).

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

245871872 is an equidigital number, since it uses as much as digits as its factorization.

245871872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4474 (or 4460 counting only the distinct ones).

The product of its digits is 250880, while the sum is 44.

The square root of 245871872 is about 15680.3020379073. The cubic root of 245871872 is about 626.4738524556.

The spelling of 245871872 in words is "two hundred forty-five million, eight hundred seventy-one thousand, eight hundred seventy-two".