145116131 has 8 divisors (see below), whose sum is σ = 160333344. Its totient is φ = 130641280.

The previous prime is 145116079. The next prime is 145116149. The reversal of 145116131 is 131611541.

It is a happy number.

145116131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-145116131 is a prime.

It is a super-2 number, since 2×145116131² = 42117382952818322, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 145116097 and 145116106.

It is not an unprimeable number, because it can be changed into a prime (145116151) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 185180 + ... + 185961.

It is an arithmetic number, because the mean of its divisors is an integer number (20041668).

Almost surely, 2^145116131 is an apocalyptic number.

145116131 is a deficient number, since it is larger than the sum of its proper divisors (15217213).

145116131 is a wasteful number, since it uses less digits than its factorization.

145116131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 371181.

The product of its digits is 360, while the sum is 23.

The square root of 145116131 is about 12046.4156909846. The cubic root of 145116131 is about 525.4990037108.

Adding to 145116131 its reverse (131611541), we get a palindrome (276727672).

The spelling of 145116131 in words is "one hundred forty-five million, one hundred sixteen thousand, one hundred thirty-one".