225153789 has 16 divisors (see below), whose sum is σ = 343667328. Its totient is φ = 128443392.

The previous prime is 225153727. The next prime is 225153793. The reversal of 225153789 is 987351522.

It is a happy number.

It is not a de Polignac number, because 225153789 - 2⁹ = 225153277 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 225153789.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225153689) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4269 + ... + 21645.

It is an arithmetic number, because the mean of its divisors is an integer number (21479208).

Almost surely, 2^225153789 is an apocalyptic number.

It is an amenable number.

225153789 is a deficient number, since it is larger than the sum of its proper divisors (118513539).

225153789 is a wasteful number, since it uses less digits than its factorization.

225153789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18004.

The product of its digits is 151200, while the sum is 42.

The square root of 225153789 is about 15005.1254243342. The cubic root of 225153789 is about 608.3587421843.

The spelling of 225153789 in words is "two hundred twenty-five million, one hundred fifty-three thousand, seven hundred eighty-nine".