148646 has 4 divisors (see below), whose sum is σ = 222972. Its totient is φ = 74322.

The previous prime is 148639. The next prime is 148663. The reversal of 148646 is 646841.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 646841 = 13 ⋅49757.

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 148646.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37160 + ... + 37163.

It is an arithmetic number, because the mean of its divisors is an integer number (55743).

2¹⁴⁸⁶⁴⁶ is an apocalyptic number.

148646 is a deficient number, since it is larger than the sum of its proper divisors (74326).

148646 is an equidigital number, since it uses as much as digits as its factorization.

148646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74325.

The product of its digits is 4608, while the sum is 29.

The square root of 148646 is about 385.5463655645. The cubic root of 148646 is about 52.9725739198.

The spelling of 148646 in words is "one hundred forty-eight thousand, six hundred forty-six".