146887271 has 4 divisors (see below), whose sum is σ = 154618200. Its totient is φ = 139156344.

The previous prime is 146887253. The next prime is 146887313. The reversal of 146887271 is 172788641.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-146887271 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146887211) 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, 3865436 + ... + 3865473.

It is an arithmetic number, because the mean of its divisors is an integer number (38654550).

Almost surely, 2^146887271 is an apocalyptic number.

146887271 is a deficient number, since it is larger than the sum of its proper divisors (7730929).

146887271 is an equidigital number, since it uses as much as digits as its factorization.

146887271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7730928.

The product of its digits is 150528, while the sum is 44.

The square root of 146887271 is about 12119.7058957716. The cubic root of 146887271 is about 527.6282667649.

The spelling of 146887271 in words is "one hundred forty-six million, eight hundred eighty-seven thousand, two hundred seventy-one".