134243545 has 12 divisors (see below), whose sum is σ = 163559844. Its totient is φ = 105774240.

The previous prime is 134243539. The next prime is 134243563. The reversal of 134243545 is 545342431.

It can be written as a sum of positive squares in 2 ways, for example, as 20757136 + 113486409 = 4556^2 + 10653^2 .

It is a de Polignac number, because none of the positive numbers 2^k-134243545 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19455 + ... + 25435.

It is an arithmetic number, because the mean of its divisors is an integer number (13629987).

Almost surely, 2^134243545 is an apocalyptic number.

It is an amenable number.

134243545 is a deficient number, since it is larger than the sum of its proper divisors (29316299).

134243545 is an frugal number, since it uses more digits than its factorization.

134243545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6120 (or 6053 counting only the distinct ones).

The product of its digits is 28800, while the sum is 31.

The square root of 134243545 is about 11586.3516690976. The cubic root of 134243545 is about 512.0328259085.

Adding to 134243545 its reverse (545342431), we get a palindrome (679585976).

The spelling of 134243545 in words is "one hundred thirty-four million, two hundred forty-three thousand, five hundred forty-five".