225710125145 has 16 divisors (see below), whose sum is σ = 286802976528. Its totient is φ = 169935575040.

The previous prime is 225710125141. The next prime is 225710125189. The reversal of 225710125145 is 541521017522.

225710125145 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 91886584384 + 133823540761 = 303128^2 + 365819^2 .

It is not a de Polignac number, because 225710125145 - 2² = 225710125141 is a prime.

It is a super-2 number, since 2×225710125145² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (225710125141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1404215 + ... + 1556675.

It is an arithmetic number, because the mean of its divisors is an integer number (17925186033).

Almost surely, 2^225710125145 is an apocalyptic number.

It is an amenable number.

225710125145 is a deficient number, since it is larger than the sum of its proper divisors (61092851383).

225710125145 is a wasteful number, since it uses less digits than its factorization.

225710125145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169900.

The product of its (nonzero) digits is 28000, while the sum is 35.

The spelling of 225710125145 in words is "two hundred twenty-five billion, seven hundred ten million, one hundred twenty-five thousand, one hundred forty-five".