225134145155 has 16 divisors (see below), whose sum is σ = 271037487744. Its totient is φ = 179523747840.

The previous prime is 225134145143. The next prime is 225134145209. The reversal of 225134145155 is 551541431522.

It is not a de Polignac number, because 225134145155 - 2²⁰ = 225133096579 is a prime.

It is a super-3 number, since 3×225134145155³ (a number of 35 digits) contains 333 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, 2316419 + ... + 2411651.

It is an arithmetic number, because the mean of its divisors is an integer number (16939842984).

Almost surely, 2^225134145155 is an apocalyptic number.

225134145155 is a deficient number, since it is larger than the sum of its proper divisors (45903342589).

225134145155 is a wasteful number, since it uses less digits than its factorization.

225134145155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96766.

The product of its digits is 120000, while the sum is 38.

Adding to 225134145155 its reverse (551541431522), we get a palindrome (776675576677).

The spelling of 225134145155 in words is "two hundred twenty-five billion, one hundred thirty-four million, one hundred forty-five thousand, one hundred fifty-five".