245504755 has 4 divisors (see below), whose sum is σ = 294605712. Its totient is φ = 196403800.

The previous prime is 245504741. The next prime is 245504773. The reversal of 245504755 is 557405542.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 245504755 - 2⁷ = 245504627 is a prime.

It is a super-2 number, since 2×245504755² = 120545169455220050, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24550471 + ... + 24550480.

It is an arithmetic number, because the mean of its divisors is an integer number (73651428).

Almost surely, 2^245504755 is an apocalyptic number.

245504755 is a deficient number, since it is larger than the sum of its proper divisors (49100957).

245504755 is an equidigital number, since it uses as much as digits as its factorization.

245504755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49100956.

The product of its (nonzero) digits is 140000, while the sum is 37.

The square root of 245504755 is about 15668.5913534051. The cubic root of 245504755 is about 626.1618962568.

The spelling of 245504755 in words is "two hundred forty-five million, five hundred four thousand, seven hundred fifty-five".