245230400 has 42 divisors (see below), whose sum is σ = 603423990. Its totient is φ = 98091520.

The previous prime is 245230399. The next prime is 245230421. The reversal of 245230400 is 4032542.

It can be written as a sum of positive squares in 3 ways, for example, as 2119936 + 243110464 = 1456^2 + 15592^2 .

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 75035 + ... + 78234.

Almost surely, 2^245230400 is an apocalyptic number.

245230400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

245230400 is an abundant number, since it is smaller than the sum of its proper divisors (358193590).

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

245230400 is a wasteful number, since it uses less digits than its factorization.

245230400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153291 (or 153276 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 20.

The square root of 245230400 is about 15659.8339710228. The cubic root of 245230400 is about 625.9285610890.

Adding to 245230400 its reverse (4032542), we get a palindrome (249262942).

The spelling of 245230400 in words is "two hundred forty-five million, two hundred thirty thousand, four hundred".