245443200 has 192 divisors, whose sum is σ = 831479520. Its totient is φ = 63590400.

The previous prime is 245443171. The next prime is 245443207. The reversal of 245443200 is 2344542.

It is a tau number, because it is divible by the number of its divisors (192).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (245443207) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 354855 + ... + 355545.

Almost surely, 2^245443200 is an apocalyptic number.

245443200 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 245443200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (415739760).

245443200 is an abundant number, since it is smaller than the sum of its proper divisors (586036320).

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

245443200 is a wasteful number, since it uses less digits than its factorization.

245443200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 755 (or 738 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 24.

The square root of 245443200 is about 15666.6269503043. The cubic root of 245443200 is about 626.1095597046.

Adding to 245443200 its reverse (2344542), we get a palindrome (247787742).

It can be divided in two parts, 2454 and 43200, that added together give a palindrome (45654).

The spelling of 245443200 in words is "two hundred forty-five million, four hundred forty-three thousand, two hundred".