148666420 has 24 divisors (see below), whose sum is σ = 356799744. Its totient is φ = 50971296.

The previous prime is 148666417. The next prime is 148666423. The reversal of 148666420 is 24666841.

It is an interprime number because it is at equal distance from previous prime (148666417) and next prime (148666423).

It is a self number, because there is not a number n which added to its sum of digits gives 148666420.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148666423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 530812 + ... + 531091.

It is an arithmetic number, because the mean of its divisors is an integer number (14866656).

Almost surely, 2^148666420 is an apocalyptic number.

148666420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

148666420 is an abundant number, since it is smaller than the sum of its proper divisors (208133324).

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

148666420 is a wasteful number, since it uses less digits than its factorization.

148666420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1061919 (or 1061917 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 37.

The square root of 148666420 is about 12192.8839902625. The cubic root of 148666420 is about 529.7499948220.

The spelling of 148666420 in words is "one hundred forty-eight million, six hundred sixty-six thousand, four hundred twenty".