148585820 has 12 divisors (see below), whose sum is σ = 312030264. Its totient is φ = 59434320.

The previous prime is 148585817. The next prime is 148585841. The reversal of 148585820 is 28585841.

It is a happy number.

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3714626 + ... + 3714665.

It is an arithmetic number, because the mean of its divisors is an integer number (26002522).

Almost surely, 2^148585820 is an apocalyptic number.

148585820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

148585820 is an abundant number, since it is smaller than the sum of its proper divisors (163444444).

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

148585820 is a wasteful number, since it uses less digits than its factorization.

148585820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7429300 (or 7429298 counting only the distinct ones).

The product of its (nonzero) digits is 102400, while the sum is 41.

The square root of 148585820 is about 12189.5783356111. The cubic root of 148585820 is about 529.6542422681.

The spelling of 148585820 in words is "one hundred forty-eight million, five hundred eighty-five thousand, eight hundred twenty".