135155445 has 24 divisors (see below), whose sum is σ = 218565984. Its totient is φ = 71318496.

The previous prime is 135155441. The next prime is 135155477. The reversal of 135155445 is 544551531.

135155445 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 135155445 - 2² = 135155441 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135155441) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 171342 + ... + 172128.

It is an arithmetic number, because the mean of its divisors is an integer number (9106916).

Almost surely, 2^135155445 is an apocalyptic number.

135155445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

135155445 is a deficient number, since it is larger than the sum of its proper divisors (83410539).

135155445 is an equidigital number, since it uses as much as digits as its factorization.

135155445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1009 (or 902 counting only the distinct ones).

The product of its digits is 30000, while the sum is 33.

The square root of 135155445 is about 11625.6374018804. The cubic root of 135155445 is about 513.1896027108.

The spelling of 135155445 in words is "one hundred thirty-five million, one hundred fifty-five thousand, four hundred forty-five".