148821424 has 10 divisors (see below), whose sum is σ = 288341540. Its totient is φ = 74410704.

The previous prime is 148821397. The next prime is 148821457. The reversal of 148821424 is 424128841.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 148821424.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4650654 + ... + 4650685.

It is an arithmetic number, because the mean of its divisors is an integer number (28834154).

Almost surely, 2^148821424 is an apocalyptic number.

It is an amenable number.

148821424 is a deficient number, since it is larger than the sum of its proper divisors (139520116).

148821424 is an equidigital number, since it uses as much as digits as its factorization.

148821424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9301347 (or 9301341 counting only the distinct ones).

The product of its digits is 16384, while the sum is 34.

The square root of 148821424 is about 12199.2386647692. The cubic root of 148821424 is about 529.9340418690.

The spelling of 148821424 in words is "one hundred forty-eight million, eight hundred twenty-one thousand, four hundred twenty-four".