145235135423 has 16 divisors (see below), whose sum is σ = 166191782400. Its totient is φ = 124330795296.

The previous prime is 145235135417. The next prime is 145235135431. The reversal of 145235135423 is 324531532541.

145235135423 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 145235135423 - 2⁶ = 145235135359 is a prime.

It is a super-2 number, since 2×145235135423² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145235135413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26897678 + ... + 26903076.

It is an arithmetic number, because the mean of its divisors is an integer number (10386986400).

Almost surely, 2^145235135423 is an apocalyptic number.

145235135423 is a deficient number, since it is larger than the sum of its proper divisors (20956646977).

145235135423 is a wasteful number, since it uses less digits than its factorization.

145235135423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9526.

The product of its digits is 216000, while the sum is 38.

Adding to 145235135423 its reverse (324531532541), we get a palindrome (469766667964).

The spelling of 145235135423 in words is "one hundred forty-five billion, two hundred thirty-five million, one hundred thirty-five thousand, four hundred twenty-three".