245420255 has 8 divisors (see below), whose sum is σ = 294959232. Its totient is φ = 196032928.

The previous prime is 245420237. The next prime is 245420303. The reversal of 245420255 is 552024542.

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

It is a cyclic number.

It is not a de Polignac number, because 245420255 - 2⁶ = 245420191 is a prime.

It is a super-2 number, since 2×245420255² = 120462203128530050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34319 + ... + 40848.

It is an arithmetic number, because the mean of its divisors is an integer number (36869904).

Almost surely, 2^245420255 is an apocalyptic number.

245420255 is a deficient number, since it is larger than the sum of its proper divisors (49538977).

245420255 is an equidigital number, since it uses as much as digits as its factorization.

245420255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75825.

The product of its (nonzero) digits is 16000, while the sum is 29.

The square root of 245420255 is about 15665.8946440987. The cubic root of 245420255 is about 626.0900486982.

Adding to 245420255 its reverse (552024542), we get a palindrome (797444797).

The spelling of 245420255 in words is "two hundred forty-five million, four hundred twenty thousand, two hundred fifty-five".