148031820 has 192 divisors, whose sum is σ = 490291200. Its totient is φ = 37013760.

The previous prime is 148031813. The next prime is 148031833. The reversal of 148031820 is 28130841.

148031820 is a `hidden beast` number, since 1 + 480 + 3 + 182 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 619261 + ... + 619499.

It is an arithmetic number, because the mean of its divisors is an integer number (2553600).

Almost surely, 2^148031820 is an apocalyptic number.

148031820 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 148031820, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (245145600).

148031820 is an abundant number, since it is smaller than the sum of its proper divisors (342259380).

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

148031820 is a wasteful number, since it uses less digits than its factorization.

148031820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 325 (or 317 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 27.

The square root of 148031820 is about 12166.8327842541. The cubic root of 148031820 is about 528.9951531557.

The spelling of 148031820 in words is "one hundred forty-eight million, thirty-one thousand, eight hundred twenty".