148818140 has 48 divisors (see below), whose sum is σ = 324626400. Its totient is φ = 57238272.

The previous prime is 148818139. The next prime is 148818143. The reversal of 148818140 is 41818841.

It is a self number, because there is not a number n which added to its sum of digits gives 148818140.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148818143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 219482 + ... + 220158.

It is an arithmetic number, because the mean of its divisors is an integer number (6763050).

Almost surely, 2^148818140 is an apocalyptic number.

148818140 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 148818140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (162313200).

148818140 is an abundant number, since it is smaller than the sum of its proper divisors (175808260).

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

148818140 is a wasteful number, since it uses less digits than its factorization.

148818140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1094 (or 1092 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 35.

The square root of 148818140 is about 12199.1040654632. The cubic root of 148818140 is about 529.9301438725.

The spelling of 148818140 in words is "one hundred forty-eight million, eight hundred eighteen thousand, one hundred forty".