153155225 has 6 divisors (see below), whose sum is σ = 189912510. Its totient is φ = 122524160.

The previous prime is 153155179. The next prime is 153155251. The reversal of 153155225 is 522551351.

It can be written as a sum of positive squares in 3 ways, for example, as 1471369 + 151683856 = 1213^2 + 12316^2 .

It is not a de Polignac number, because 153155225 - 2¹⁰ = 153154201 is a prime.

It is a Curzon number.

It is a congruent number.

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, 3063080 + ... + 3063129.

It is an arithmetic number, because the mean of its divisors is an integer number (31652085).

Almost surely, 2^153155225 is an apocalyptic number.

It is an amenable number.

153155225 is a deficient number, since it is larger than the sum of its proper divisors (36757285).

153155225 is an equidigital number, since it uses as much as digits as its factorization.

153155225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6126219 (or 6126214 counting only the distinct ones).

The product of its digits is 7500, while the sum is 29.

The square root of 153155225 is about 12375.5898849307. The cubic root of 153155225 is about 535.0289383712.

The spelling of 153155225 in words is "one hundred fifty-three million, one hundred fifty-five thousand, two hundred twenty-five".