146687 has 4 divisors (see below), whose sum is σ = 149856. Its totient is φ = 143520.

The previous prime is 146683. The next prime is 146701. The reversal of 146687 is 786641.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 786641 = 17 ⋅46273.

It is a cyclic number.

It is not a de Polignac number, because 146687 - 2² = 146683 is a prime.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 146687.

It is not an unprimeable number, because it can be changed into a prime (146681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1514 + ... + 1607.

It is an arithmetic number, because the mean of its divisors is an integer number (37464).

2¹⁴⁶⁶⁸⁷ is an apocalyptic number.

146687 is a deficient number, since it is larger than the sum of its proper divisors (3169).

146687 is an equidigital number, since it uses as much as digits as its factorization.

146687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3168.

The product of its digits is 8064, while the sum is 32.

The square root of 146687 is about 382.9973890250. The cubic root of 146687 is about 52.7388362380.

The spelling of 146687 in words is "one hundred forty-six thousand, six hundred eighty-seven".