135525445 has 24 divisors (see below), whose sum is σ = 189288792. Its totient is φ = 92759040.

The previous prime is 135525437. The next prime is 135525503. The reversal of 135525445 is 544525531.

It can be written as a sum of positive squares in 4 ways, for example, as 36204289 + 99321156 = 6017^2 + 9966^2 .

It is not a de Polignac number, because 135525445 - 2³ = 135525437 is a prime.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 135525445.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3697 + ... + 16873.

It is an arithmetic number, because the mean of its divisors is an integer number (7887033).

Almost surely, 2^135525445 is an apocalyptic number.

It is an amenable number.

135525445 is a deficient number, since it is larger than the sum of its proper divisors (53763347).

135525445 is a wasteful number, since it uses less digits than its factorization.

135525445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13221 (or 13210 counting only the distinct ones).

The product of its digits is 60000, while the sum is 34.

The square root of 135525445 is about 11641.5396318528. The cubic root of 135525445 is about 513.6574766831.

The spelling of 135525445 in words is "one hundred thirty-five million, five hundred twenty-five thousand, four hundred forty-five".