245541530 has 32 divisors (see below), whose sum is σ = 477129744. Its totient is φ = 90441216.

The previous prime is 245541529. The next prime is 245541547. The reversal of 245541530 is 35145542.

245541530 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 138274081 + 107267449 = 11759^2 + 10357^2 .

It is a junction number, because it is equal to n+sod(n) for n = 245541493 and 245541502.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57344 + ... + 61476.

Almost surely, 2^245541530 is an apocalyptic number.

245541530 is a deficient number, since it is larger than the sum of its proper divisors (231588214).

245541530 is a wasteful number, since it uses less digits than its factorization.

245541530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4610.

The product of its (nonzero) digits is 12000, while the sum is 29.

The square root of 245541530 is about 15669.7648355041. The cubic root of 245541530 is about 626.1931596758.

The spelling of 245541530 in words is "two hundred forty-five million, five hundred forty-one thousand, five hundred thirty".