148820 has 24 divisors (see below), whose sum is σ = 357504. Its totient is φ = 50976.

The previous prime is 148817. The next prime is 148829. The reversal of 148820 is 28841.

148820 = T₂₇ + T₂₈ + ... + T₉₆.

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 148820.

It is not an unprimeable number, because it can be changed into a prime (148829) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 392 + ... + 671.

It is an arithmetic number, because the mean of its divisors is an integer number (14896).

2¹⁴⁸⁸²⁰ is an apocalyptic number.

148820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

148820 is an abundant number, since it is smaller than the sum of its proper divisors (208684).

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

148820 is a wasteful number, since it uses less digits than its factorization.

148820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1079 (or 1077 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 23.

The square root of 148820 is about 385.7719533610. The cubic root of 148820 is about 52.9932351636.

The spelling of 148820 in words is "one hundred forty-eight thousand, eight hundred twenty".