146415131 has 2 divisors, whose sum is σ = 146415132. Its totient is φ = 146415130.

The previous prime is 146415127. The next prime is 146415133. The reversal of 146415131 is 131514641.

146415131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is an emirp because it is prime and its reverse (131514641) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 146415131 - 2² = 146415127 is a prime.

It is a super-2 number, since 2×146415131² = 42874781171494322, which contains 22 as substring.

Together with 146415133, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 146415131.

It is not a weakly prime, because it can be changed into another prime (146415133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73207565 + 73207566.

It is an arithmetic number, because the mean of its divisors is an integer number (73207566).

Almost surely, 2^146415131 is an apocalyptic number.

146415131 is a deficient number, since it is larger than the sum of its proper divisors (1).

146415131 is an equidigital number, since it uses as much as digits as its factorization.

146415131 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1440, while the sum is 26.

The square root of 146415131 is about 12100.2120229358. The cubic root of 146415131 is about 527.0623411735.

Adding to 146415131 its reverse (131514641), we get a palindrome (277929772).

The spelling of 146415131 in words is "one hundred forty-six million, four hundred fifteen thousand, one hundred thirty-one".