146815 has 4 divisors (see below), whose sum is σ = 176184. Its totient is φ = 117448.

The previous prime is 146807. The next prime is 146819. The reversal of 146815 is 518641.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 518641 = 313 ⋅1657.

It is a cyclic number.

It is not a de Polignac number, because 146815 - 2³ = 146807 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 146815.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146819) 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, 14677 + ... + 14686.

It is an arithmetic number, because the mean of its divisors is an integer number (44046).

2¹⁴⁶⁸¹⁵ is an apocalyptic number.

146815 is a deficient number, since it is larger than the sum of its proper divisors (29369).

146815 is an equidigital number, since it uses as much as digits as its factorization.

146815 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29368.

The product of its digits is 960, while the sum is 25.

The square root of 146815 is about 383.1644555540. The cubic root of 146815 is about 52.7541718585.

It can be divided in two parts, 146 and 815, that added together give a square (961 = 31²).

The spelling of 146815 in words is "one hundred forty-six thousand, eight hundred fifteen".