245041155 has 48 divisors (see below), whose sum is σ = 442260000. Its totient is φ = 125357568.

The previous prime is 245041151. The next prime is 245041163. The reversal of 245041155 is 551140542.

245041155 is a `hidden beast` number, since 2 + 4 + 504 + 1 + 155 = 666.

It is not a de Polignac number, because 245041155 - 2² = 245041151 is a prime.

It is not an unprimeable number, because it can be changed into a prime (245041151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 233071 + ... + 234119.

It is an arithmetic number, because the mean of its divisors is an integer number (9213750).

Almost surely, 2^245041155 is an apocalyptic number.

245041155 is a deficient number, since it is larger than the sum of its proper divisors (197218845).

245041155 is a wasteful number, since it uses less digits than its factorization.

245041155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1268 (or 1265 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 27.

The square root of 245041155 is about 15653.7904355463. The cubic root of 245041155 is about 625.7675093679.

Adding to 245041155 its reverse (551140542), we get a palindrome (796181697).

The spelling of 245041155 in words is "two hundred forty-five million, forty-one thousand, one hundred fifty-five".