148446720 has 240 divisors, whose sum is σ = 545790960. Its totient is φ = 37158912.

The previous prime is 148446713. The next prime is 148446721. The reversal of 148446720 is 27644841.

148446720 is a `hidden beast` number, since 148 + 446 + 72 + 0 = 666.

148446720 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (240).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148446721) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 391491 + ... + 391869.

It is an arithmetic number, because the mean of its divisors is an integer number (2274129).

Almost surely, 2^148446720 is an apocalyptic number.

148446720 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 148446720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (272895480).

148446720 is an abundant number, since it is smaller than the sum of its proper divisors (397344240).

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

148446720 is a wasteful number, since it uses less digits than its factorization.

148446720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 425 (or 406 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 36.

The square root of 148446720 is about 12183.8713059520. The cubic root of 148446720 is about 529.4889104136.

The spelling of 148446720 in words is "one hundred forty-eight million, four hundred forty-six thousand, seven hundred twenty".