245515004155 has 16 divisors (see below), whose sum is σ = 302860292544. Its totient is φ = 190992936960.

The previous prime is 245515004129. The next prime is 245515004197. The reversal of 245515004155 is 551400515542.

It is not a de Polignac number, because 245515004155 - 2¹⁷ = 245514873083 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4711014 + ... + 4762843.

It is an arithmetic number, because the mean of its divisors is an integer number (18928768284).

Almost surely, 2^245515004155 is an apocalyptic number.

245515004155 is a deficient number, since it is larger than the sum of its proper divisors (57345288389).

245515004155 is an equidigital number, since it uses as much as digits as its factorization.

245515004155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9474006.

The product of its (nonzero) digits is 100000, while the sum is 37.

Adding to 245515004155 its reverse (551400515542), we get a palindrome (796915519697).

The spelling of 245515004155 in words is "two hundred forty-five billion, five hundred fifteen million, four thousand, one hundred fifty-five".