245225251155 has 16 divisors (see below), whose sum is σ = 392604597504. Its totient is φ = 130705402080.

The previous prime is 245225251153. The next prime is 245225251157. The reversal of 245225251155 is 551152522542.

It is an interprime number because it is at equal distance from previous prime (245225251153) and next prime (245225251157).

It is not a de Polignac number, because 245225251155 - 2¹ = 245225251153 is a prime.

It is not an unprimeable number, because it can be changed into a prime (245225251153) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5062501 + ... + 5110710.

It is an arithmetic number, because the mean of its divisors is an integer number (24537787344).

Almost surely, 2^245225251155 is an apocalyptic number.

245225251155 is a deficient number, since it is larger than the sum of its proper divisors (147379346349).

245225251155 is a wasteful number, since it uses less digits than its factorization.

245225251155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10174826.

The product of its digits is 200000, while the sum is 39.

Adding to 245225251155 its reverse (551152522542), we get a palindrome (796377773697).

The spelling of 245225251155 in words is "two hundred forty-five billion, two hundred twenty-five million, two hundred fifty-one thousand, one hundred fifty-five".