149648 has 20 divisors (see below), whose sum is σ = 297600. Its totient is φ = 72864.

The previous prime is 149629. The next prime is 149689. The reversal of 149648 is 846941.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a nialpdrome in base 8.

It is an unprimeable number.

149648 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 653 + ... + 851.

It is an arithmetic number, because the mean of its divisors is an integer number (14880).

2¹⁴⁹⁶⁴⁸ is an apocalyptic number.

It is an amenable number.

149648 is a deficient number, since it is larger than the sum of its proper divisors (147952).

149648 is a wasteful number, since it uses less digits than its factorization.

149648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254 (or 248 counting only the distinct ones).

The product of its digits is 6912, while the sum is 32.

The square root of 149648 is about 386.8436376626. The cubic root of 149648 is about 53.0913341488.

It can be divided in two parts, 149 and 648, that added together give a palindrome (797).

The spelling of 149648 in words is "one hundred forty-nine thousand, six hundred forty-eight".