134505445 has 16 divisors (see below), whose sum is σ = 171678528. Its totient is φ = 100814080.

The previous prime is 134505439. The next prime is 134505463. The reversal of 134505445 is 544505431.

It is a happy number.

It is not a de Polignac number, because 134505445 - 2⁷ = 134505317 is a prime.

It is a Duffinian number.

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 in 15 ways as a sum of consecutive naturals, for example, 15810 + ... + 22780.

It is an arithmetic number, because the mean of its divisors is an integer number (10729908).

Almost surely, 2^134505445 is an apocalyptic number.

It is an amenable number.

134505445 is a deficient number, since it is larger than the sum of its proper divisors (37173083).

134505445 is a wasteful number, since it uses less digits than its factorization.

134505445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7220.

The product of its (nonzero) digits is 24000, while the sum is 31.

The square root of 134505445 is about 11597.6482529865. The cubic root of 134505445 is about 512.3655899753.

The spelling of 134505445 in words is "one hundred thirty-four million, five hundred five thousand, four hundred forty-five".