245504555 has 8 divisors (see below), whose sum is σ = 294900144. Its totient is φ = 196207200.

The previous prime is 245504551. The next prime is 245504561. The reversal of 245504555 is 555405542.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 245504555 - 2² = 245504551 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (245504551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18941 + ... + 29150.

It is an arithmetic number, because the mean of its divisors is an integer number (36862518).

Almost surely, 2^245504555 is an apocalyptic number.

245504555 is a deficient number, since it is larger than the sum of its proper divisors (49395589).

245504555 is a wasteful number, since it uses less digits than its factorization.

245504555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49117.

The product of its (nonzero) digits is 100000, while the sum is 35.

The square root of 245504555 is about 15668.5849712091. The cubic root of 245504555 is about 626.1617262229.

The spelling of 245504555 in words is "two hundred forty-five million, five hundred four thousand, five hundred fifty-five".