135625145 has 8 divisors (see below), whose sum is σ = 165821256. Its totient is φ = 106452736.

The previous prime is 135625111. The next prime is 135625159. The reversal of 135625145 is 541526531.

135625145 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 9916201 + 125708944 = 3149^2 + 11212^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 135625145 - 2⁶ = 135625081 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 255632 + ... + 256161.

It is an arithmetic number, because the mean of its divisors is an integer number (20727657).

Almost surely, 2^135625145 is an apocalyptic number.

It is an amenable number.

135625145 is a deficient number, since it is larger than the sum of its proper divisors (30196111).

135625145 is an equidigital number, since it uses as much as digits as its factorization.

135625145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 511851.

The product of its digits is 18000, while the sum is 32.

The square root of 135625145 is about 11645.8209242629. The cubic root of 135625145 is about 513.7834040751.

The spelling of 135625145 in words is "one hundred thirty-five million, six hundred twenty-five thousand, one hundred forty-five".