135145143 has 24 divisors (see below), whose sum is σ = 228542496. Its totient is φ = 75340800.

The previous prime is 135145141. The next prime is 135145159. The reversal of 135145143 is 341541531.

It is a happy number.

135145143 is a `hidden beast` number, since 1 + 3 + 514 + 5 + 143 = 666.

It is not a de Polignac number, because 135145143 - 2¹ = 135145141 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135145141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23578 + ... + 28743.

It is an arithmetic number, because the mean of its divisors is an integer number (9522604).

Almost surely, 2^135145143 is an apocalyptic number.

135145143 is a deficient number, since it is larger than the sum of its proper divisors (93397353).

135145143 is a wasteful number, since it uses less digits than its factorization.

135145143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52375 (or 52372 counting only the distinct ones).

The product of its digits is 3600, while the sum is 27.

The square root of 135145143 is about 11625.1943209565. The cubic root of 135145143 is about 513.1765633702.

Adding to 135145143 its reverse (341541531), we get a palindrome (476686674).

The spelling of 135145143 in words is "one hundred thirty-five million, one hundred forty-five thousand, one hundred forty-three".