134544445 has 12 divisors (see below), whose sum is σ = 187813404. Its totient is φ = 92258880.

The previous prime is 134544439. The next prime is 134544451. The reversal of 134544445 is 544445431.

It is an interprime number because it is at equal distance from previous prime (134544439) and next prime (134544451).

It can be written as a sum of positive squares in 2 ways, for example, as 24147396 + 110397049 = 4914^2 + 10507^2 .

It is not a de Polignac number, because 134544445 - 2³ = 134544437 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 134544445.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 274336 + ... + 274825.

It is an arithmetic number, because the mean of its divisors is an integer number (15651117).

Almost surely, 2^134544445 is an apocalyptic number.

It is an amenable number.

134544445 is a deficient number, since it is larger than the sum of its proper divisors (53268959).

134544445 is an equidigital number, since it uses as much as digits as its factorization.

134544445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 549180 (or 549173 counting only the distinct ones).

The product of its digits is 76800, while the sum is 34.

The square root of 134544445 is about 11599.3295064844. The cubic root of 134544445 is about 512.4151055099.

Adding to 134544445 its reverse (544445431), we get a palindrome (678989876).

The spelling of 134544445 in words is "one hundred thirty-four million, five hundred forty-four thousand, four hundred forty-five".