225153136 has 20 divisors (see below), whose sum is σ = 469791112. Its totient is φ = 103916736.

The previous prime is 225153133. The next prime is 225153143. The reversal of 225153136 is 631351522.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225153133) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 541026 + ... + 541441.

Almost surely, 2^225153136 is an apocalyptic number.

225153136 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

225153136 is an abundant number, since it is smaller than the sum of its proper divisors (244637976).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

225153136 is a wasteful number, since it uses less digits than its factorization.

225153136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1082488 (or 1082482 counting only the distinct ones).

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

The square root of 225153136 is about 15005.1036650868. The cubic root of 225153136 is about 608.3581540549.

It can be divided in two parts, 22515 and 3136, that added together give a triangular number (25651 = T₂₂₆).

The spelling of 225153136 in words is "two hundred twenty-five million, one hundred fifty-three thousand, one hundred thirty-six".