134223545 has 8 divisors (see below), whose sum is σ = 164997000. Its totient is φ = 104759680.

The previous prime is 134223527. The next prime is 134223553. The reversal of 134223545 is 545322431.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 14167696 + 120055849 = 3764^2 + 10957^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 134223545 - 2¹⁰ = 134222521 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 327170 + ... + 327579.

It is an arithmetic number, because the mean of its divisors is an integer number (20624625).

Almost surely, 2^134223545 is an apocalyptic number.

It is an amenable number.

134223545 is a deficient number, since it is larger than the sum of its proper divisors (30773455).

134223545 is an equidigital number, since it uses as much as digits as its factorization.

134223545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 654795.

The product of its digits is 14400, while the sum is 29.

The square root of 134223545 is about 11585.4885524953. The cubic root of 134223545 is about 512.0073965911.

Adding to 134223545 its reverse (545322431), we get a palindrome (679545976).

The spelling of 134223545 in words is "one hundred thirty-four million, two hundred twenty-three thousand, five hundred forty-five".