245441000 has 96 divisors (see below), whose sum is σ = 668233800. Its totient is φ = 84134400.

The previous prime is 245440997. The next prime is 245441011. The reversal of 245441000 is 144542.

It can be written as a sum of positive squares in 4 ways, for example, as 68923204 + 176517796 = 8302^2 + 13286^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

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, 46496 + ... + 51504.

Almost surely, 2^245441000 is an apocalyptic number.

245441000 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 245441000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (334116900).

245441000 is an abundant number, since it is smaller than the sum of its proper divisors (422792800).

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

245441000 is a wasteful number, since it uses less digits than its factorization.

245441000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5044 (or 5023 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 245441000 is about 15666.5567372030. The cubic root of 245441000 is about 626.1076890136.

Adding to 245441000 its reverse (144542), we get a palindrome (245585542).

The spelling of 245441000 in words is "two hundred forty-five million, four hundred forty-one thousand".