134551645 has 4 divisors (see below), whose sum is σ = 161461980. Its totient is φ = 107641312.

The previous prime is 134551639. The next prime is 134551663. The reversal of 134551645 is 546155431.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 79227801 + 55323844 = 8901^2 + 7438^2 .

It is a cyclic number.

It is not a de Polignac number, because 134551645 - 2⁹ = 134551133 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 134551645.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13455160 + ... + 13455169.

It is an arithmetic number, because the mean of its divisors is an integer number (40365495).

Almost surely, 2^134551645 is an apocalyptic number.

It is an amenable number.

134551645 is a deficient number, since it is larger than the sum of its proper divisors (26910335).

134551645 is an equidigital number, since it uses as much as digits as its factorization.

134551645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26910334.

The product of its digits is 36000, while the sum is 34.

The square root of 134551645 is about 11599.6398650993. The cubic root of 134551645 is about 512.4242457930.

The spelling of 134551645 in words is "one hundred thirty-four million, five hundred fifty-one thousand, six hundred forty-five".