145135132 has 12 divisors (see below), whose sum is σ = 257777800. Its totient is φ = 71484336.

The previous prime is 145135099. The next prime is 145135139. The reversal of 145135132 is 231531541.

It is a happy number.

145135132 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 145135097 and 145135106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145135139) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 270507 + ... + 271042.

Almost surely, 2^145135132 is an apocalyptic number.

It is an amenable number.

145135132 is a deficient number, since it is larger than the sum of its proper divisors (112642668).

145135132 is a wasteful number, since it uses less digits than its factorization.

145135132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 541620 (or 541618 counting only the distinct ones).

The product of its digits is 1800, while the sum is 25.

The square root of 145135132 is about 12047.2043229954. The cubic root of 145135132 is about 525.5219383786.

Adding to 145135132 its reverse (231531541), we get a palindrome (376666673).

The spelling of 145135132 in words is "one hundred forty-five million, one hundred thirty-five thousand, one hundred thirty-two".