225149146 has 4 divisors (see below), whose sum is σ = 337723722. Its totient is φ = 112574572.

The previous prime is 225149137. The next prime is 225149153. The reversal of 225149146 is 641941522.

225149146 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 164480625 + 60668521 = 12825^2 + 7789^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56287285 + ... + 56287288.

Almost surely, 2^225149146 is an apocalyptic number.

225149146 is a deficient number, since it is larger than the sum of its proper divisors (112574576).

225149146 is a wasteful number, since it uses less digits than its factorization.

225149146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112574575.

The product of its digits is 17280, while the sum is 34.

The square root of 225149146 is about 15004.9707097348. The cubic root of 225149146 is about 608.3545604069.

The spelling of 225149146 in words is "two hundred twenty-five million, one hundred forty-nine thousand, one hundred forty-six".