245303140 has 12 divisors (see below), whose sum is σ = 515136636. Its totient is φ = 98121248.

The previous prime is 245303117. The next prime is 245303161. The reversal of 245303140 is 41303542.

It can be written as a sum of positive squares in 2 ways, for example, as 182196004 + 63107136 = 13498^2 + 7944^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6132559 + ... + 6132598.

It is an arithmetic number, because the mean of its divisors is an integer number (42928053).

Almost surely, 2^245303140 is an apocalyptic number.

245303140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

245303140 is an abundant number, since it is smaller than the sum of its proper divisors (269833496).

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

245303140 is a wasteful number, since it uses less digits than its factorization.

245303140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12265166 (or 12265164 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 245303140 is about 15662.1563010972. The cubic root of 245303140 is about 625.9904424090.

Adding to 245303140 its reverse (41303542), we get a palindrome (286606682).

The spelling of 245303140 in words is "two hundred forty-five million, three hundred three thousand, one hundred forty".