145130013 has 36 divisors (see below), whose sum is σ = 245276928. Its totient is φ = 82449360.

The previous prime is 145129997. The next prime is 145130047. The reversal of 145130013 is 310031541.

It is not a de Polignac number, because 145130013 - 2⁴ = 145129997 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145130093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 83370 + ... + 85092.

It is an arithmetic number, because the mean of its divisors is an integer number (6813248).

Almost surely, 2^145130013 is an apocalyptic number.

It is an amenable number.

145130013 is a deficient number, since it is larger than the sum of its proper divisors (100146915).

145130013 is a wasteful number, since it uses less digits than its factorization.

145130013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1934 (or 1924 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 145130013 is about 12046.9918651919. The cubic root of 145130013 is about 525.5157598185.

Adding to 145130013 its reverse (310031541), we get a palindrome (455161554).

The spelling of 145130013 in words is "one hundred forty-five million, one hundred thirty thousand, thirteen".