134305445 has 16 divisors (see below), whose sum is σ = 164715120. Its totient is φ = 105091584.

The previous prime is 134305429. The next prime is 134305447. The reversal of 134305445 is 544503431.

It can be written as a sum of positive squares in 8 ways, for example, as 879844 + 133425601 = 938^2 + 11551^2 .

It is a cyclic number.

It is not a de Polignac number, because 134305445 - 2⁴ = 134305429 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134305447) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 120551 + ... + 121659.

It is an arithmetic number, because the mean of its divisors is an integer number (10294695).

Almost surely, 2^134305445 is an apocalyptic number.

It is an amenable number.

134305445 is a deficient number, since it is larger than the sum of its proper divisors (30409675).

134305445 is a wasteful number, since it uses less digits than its factorization.

134305445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1624.

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

The square root of 134305445 is about 11589.0226076231. The cubic root of 134305445 is about 512.1115136439. Note that the first 3 decimals are identical.

Adding to 134305445 its reverse (544503431), we get a palindrome (678808876).

The spelling of 134305445 in words is "one hundred thirty-four million, three hundred five thousand, four hundred forty-five".