145113113 has 4 divisors (see below), whose sum is σ = 145160400. Its totient is φ = 145065828.

The previous prime is 145113109. The next prime is 145113151. The reversal of 145113113 is 311311541.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 145113113 - 2² = 145113109 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145113193) 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, 18695 + ... + 25292.

It is an arithmetic number, because the mean of its divisors is an integer number (36290100).

Almost surely, 2^145113113 is an apocalyptic number.

It is an amenable number.

145113113 is a deficient number, since it is larger than the sum of its proper divisors (47287).

145113113 is an equidigital number, since it uses as much as digits as its factorization.

145113113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47286.

The product of its digits is 180, while the sum is 20.

The square root of 145113113 is about 12046.2904248569. The cubic root of 145113113 is about 525.4953607273.

Adding to 145113113 its reverse (311311541), we get a palindrome (456424654).

The spelling of 145113113 in words is "one hundred forty-five million, one hundred thirteen thousand, one hundred thirteen".