223149146 has 16 divisors (see below), whose sum is σ = 375023520. Its totient is φ = 98689680.

The previous prime is 223149137. The next prime is 223149149. The reversal of 223149146 is 641941322.

223149146 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×223149146³ (a number of 26 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (223149149) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 136256 + ... + 137883.

It is an arithmetic number, because the mean of its divisors is an integer number (23438970).

Almost surely, 2^223149146 is an apocalyptic number.

223149146 is a deficient number, since it is larger than the sum of its proper divisors (151874374).

223149146 is a wasteful number, since it uses less digits than its factorization.

223149146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274189.

The product of its digits is 10368, while the sum is 32.

The square root of 223149146 is about 14938.1774658089. The cubic root of 223149146 is about 606.5478621898.

The spelling of 223149146 in words is "two hundred twenty-three million, one hundred forty-nine thousand, one hundred forty-six".