245123553155 has 16 divisors (see below), whose sum is σ = 316788905664. Its totient is φ = 181006400640.

The previous prime is 245123553149. The next prime is 245123553253. The reversal of 245123553155 is 551355321542.

It is not a de Polignac number, because 245123553155 - 2¹² = 245123549059 is a prime.

It is a super-2 number, since 2×245123553155² (a number of 24 digits) 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 15 ways as a sum of consecutive naturals, for example, 1714277 + ... + 1851753.

It is an arithmetic number, because the mean of its divisors is an integer number (19799306604).

Almost surely, 2^245123553155 is an apocalyptic number.

245123553155 is a deficient number, since it is larger than the sum of its proper divisors (71665352509).

245123553155 is a wasteful number, since it uses less digits than its factorization.

245123553155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164926.

The product of its digits is 450000, while the sum is 41.

Adding to 245123553155 its reverse (551355321542), we get a palindrome (796478874697).

The spelling of 245123553155 in words is "two hundred forty-five billion, one hundred twenty-three million, five hundred fifty-three thousand, one hundred fifty-five".