223545152 has 14 divisors (see below), whose sum is σ = 443597538. Its totient is φ = 111772544.

The previous prime is 223545131. The next prime is 223545167. The reversal of 223545152 is 251545322.

It can be written as a sum of positive squares in only one way, i.e., 194212096 + 29333056 = 13936^2 + 5416^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1746383 + ... + 1746510.

Almost surely, 2^223545152 is an apocalyptic number.

It is an amenable number.

223545152 is a deficient number, since it is larger than the sum of its proper divisors (220052386).

223545152 is an equidigital number, since it uses as much as digits as its factorization.

223545152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3492905 (or 3492895 counting only the distinct ones).

The product of its digits is 12000, while the sum is 29.

The square root of 223545152 is about 14951.4264202450. The cubic root of 223545152 is about 606.9064484398.

The spelling of 223545152 in words is "two hundred twenty-three million, five hundred forty-five thousand, one hundred fifty-two".