225514553146 has 4 divisors (see below), whose sum is σ = 338271829722. Its totient is φ = 112757276572.

The previous prime is 225514553111. The next prime is 225514553213. The reversal of 225514553146 is 641355415522.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 199670454025 + 25844099121 = 446845^2 + 160761^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56378638285 + ... + 56378638288.

Almost surely, 2^225514553146 is an apocalyptic number.

225514553146 is a deficient number, since it is larger than the sum of its proper divisors (112757276576).

225514553146 is a wasteful number, since it uses less digits than its factorization.

225514553146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112757276575.

The product of its digits is 720000, while the sum is 43.

Adding to 225514553146 its reverse (641355415522), we get a palindrome (866869968668).

The spelling of 225514553146 in words is "two hundred twenty-five billion, five hundred fourteen million, five hundred fifty-three thousand, one hundred forty-six".