245581355 has 16 divisors (see below), whose sum is σ = 298793664. Its totient is φ = 193751040.

The previous prime is 245581339. The next prime is 245581361. The reversal of 245581355 is 553185542.

245581355 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 245581355 - 2⁴ = 245581339 is a prime.

It is a Duffinian number.

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, 143867 + ... + 145563.

It is an arithmetic number, because the mean of its divisors is an integer number (18674604).

Almost surely, 2^245581355 is an apocalyptic number.

245581355 is a deficient number, since it is larger than the sum of its proper divisors (53212309).

245581355 is a wasteful number, since it uses less digits than its factorization.

245581355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2086.

The product of its digits is 120000, while the sum is 38.

The square root of 245581355 is about 15671.0355433200. The cubic root of 245581355 is about 626.2270124616.

The spelling of 245581355 in words is "two hundred forty-five million, five hundred eighty-one thousand, three hundred fifty-five".