151633225 has 6 divisors (see below), whose sum is σ = 188025230. Its totient is φ = 121306560.

The previous prime is 151633151. The next prime is 151633241. The reversal of 151633225 is 522336151.

It can be written as a sum of positive squares in 3 ways, for example, as 5900041 + 145733184 = 2429^2 + 12072^2 .

It is not a de Polignac number, because 151633225 - 2¹⁵ = 151600457 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 151633193 and 151633202.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3032640 + ... + 3032689.

Almost surely, 2^151633225 is an apocalyptic number.

It is an amenable number.

151633225 is a deficient number, since it is larger than the sum of its proper divisors (36392005).

151633225 is an equidigital number, since it uses as much as digits as its factorization.

151633225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6065339 (or 6065334 counting only the distinct ones).

The product of its digits is 5400, while the sum is 28.

The square root of 151633225 is about 12313.9443315292. The cubic root of 151633225 is about 533.2507283089.

Adding to 151633225 its reverse (522336151), we get a palindrome (673969376).

The spelling of 151633225 in words is "one hundred fifty-one million, six hundred thirty-three thousand, two hundred twenty-five".