225315015231145 has 16 divisors (see below), whose sum is σ = 309004247928960. Its totient is φ = 154501325495424.

The previous prime is 225315015231121. The next prime is 225315015231151. The reversal of 225315015231145 is 541132510513522.

225315015231145 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 225315015231145 - 2⁴¹ = 223115991975593 is a prime.

It is a super-2 number, since 2×225315015231145² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 225315015231098 and 225315015231107.

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, 5756341 + ... + 21994669.

It is an arithmetic number, because the mean of its divisors is an integer number (19312765495560).

Almost surely, 2^{225315015231145} is an apocalyptic number.

It is an amenable number.

225315015231145 is a deficient number, since it is larger than the sum of its proper divisors (83689232697815).

225315015231145 is a wasteful number, since it uses less digits than its factorization.

225315015231145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16634784.

The product of its (nonzero) digits is 180000, while the sum is 40.

Adding to 225315015231145 its reverse (541132510513522), we get a palindrome (766447525744667).

The spelling of 225315015231145 in words is "two hundred twenty-five trillion, three hundred fifteen billion, fifteen million, two hundred thirty-one thousand, one hundred forty-five".