148840 has 24 divisors (see below), whose sum is σ = 340470. Its totient is φ = 58560.

The previous prime is 148829. The next prime is 148853. The reversal of 148840 is 48841.

It can be written as a sum of positive squares in 3 ways, for example, as 34596 + 114244 = 186^2 + 338^2 .

It is a Smith number, since the sum of its digits (25) coincides with the sum of the digits of its prime factors.

It is a plaindrome in base 16.

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 5 ways as a sum of consecutive naturals, for example, 2410 + ... + 2470.

2¹⁴⁸⁸⁴⁰ is an apocalyptic number.

148840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 148840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (170235).

148840 is an abundant number, since it is smaller than the sum of its proper divisors (191630).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

148840 is an equidigital number, since it uses as much as digits as its factorization.

148840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133 (or 68 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 25.

The square root of 148840 is about 385.7978745405. The cubic root of 148840 is about 52.9956089871.

Subtracting from 148840 its reverse (48841), we obtain a palindrome (99999).

It can be divided in two parts, 1 and 48840, that added together give a square (48841 = 221²).

The spelling of 148840 in words is "one hundred forty-eight thousand, eight hundred forty".