245540475 has 36 divisors (see below), whose sum is σ = 440927136. Its totient is φ = 130616640.

The previous prime is 245540447. The next prime is 245540483. The reversal of 245540475 is 574045542.

It is a happy number.

245540475 is a `hidden beast` number, since 2 + 45 + 540 + 4 + 75 = 666.

It is not a de Polignac number, because 245540475 - 2⁵ = 245540443 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 102997 + ... + 105353.

It is an arithmetic number, because the mean of its divisors is an integer number (12247976).

Almost surely, 2^245540475 is an apocalyptic number.

245540475 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

245540475 is a deficient number, since it is larger than the sum of its proper divisors (195386661).

245540475 is a wasteful number, since it uses less digits than its factorization.

245540475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2836 (or 2828 counting only the distinct ones).

The product of its (nonzero) digits is 112000, while the sum is 36.

The square root of 245540475 is about 15669.7311719123. The cubic root of 245540475 is about 626.1922628354.

The spelling of 245540475 in words is "two hundred forty-five million, five hundred forty thousand, four hundred seventy-five".