245254545 has 12 divisors (see below), whose sum is σ = 425107956. Its totient is φ = 130802400.

The previous prime is 245254531. The next prime is 245254553. The reversal of 245254545 is 545452542.

245254545 is a `hidden beast` number, since 24 + 52 + 545 + 45 = 666.

245254545 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 2 ways, for example, as 93373569 + 151880976 = 9663^2 + 12324^2 .

It is not a de Polignac number, because 245254545 - 2⁶ = 245254481 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2725006 + ... + 2725095.

It is an arithmetic number, because the mean of its divisors is an integer number (35425663).

Almost surely, 2^245254545 is an apocalyptic number.

It is an amenable number.

245254545 is a deficient number, since it is larger than the sum of its proper divisors (179853411).

245254545 is a wasteful number, since it uses less digits than its factorization.

245254545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5450112 (or 5450109 counting only the distinct ones).

The product of its digits is 160000, while the sum is 36.

The square root of 245254545 is about 15660.6048733757. The cubic root of 245254545 is about 625.9491030625.

The spelling of 245254545 in words is "two hundred forty-five million, two hundred fifty-four thousand, five hundred forty-five".