148645 has 16 divisors (see below), whose sum is σ = 211968. Its totient is φ = 97920.

The previous prime is 148639. The next prime is 148663. The reversal of 148645 is 546841.

It is not a de Polignac number, because 148645 - 2⁷ = 148517 is a prime.

It is a Duffinian number.

148645 is a Rhonda number in base 14.

It is a congruent number.

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 in 15 ways as a sum of consecutive naturals, for example, 1017 + ... + 1153.

It is an arithmetic number, because the mean of its divisors is an integer number (13248).

2¹⁴⁸⁶⁴⁵ is an apocalyptic number.

It is an amenable number.

148645 is a deficient number, since it is larger than the sum of its proper divisors (63323).

148645 is a wasteful number, since it uses less digits than its factorization.

148645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180.

The product of its digits is 3840, while the sum is 28.

The square root of 148645 is about 385.5450687014. The cubic root of 148645 is about 52.9724551305.

The spelling of 148645 in words is "one hundred forty-eight thousand, six hundred forty-five".