1548820230 has 32 divisors (see below), whose sum is σ = 3878786304. Its totient is φ = 395061216.

The previous prime is 1548820183. The next prime is 1548820261. The reversal of 1548820230 is 320288451.

It is a junction number, because it is equal to n+sod(n) for n = 1548820191 and 1548820200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1121644 + ... + 1123023.

It is an arithmetic number, because the mean of its divisors is an integer number (121212072).

Almost surely, 2^1548820230 is an apocalyptic number.

1548820230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1548820230 is an abundant number, since it is smaller than the sum of its proper divisors (2329966074).

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

1548820230 is a wasteful number, since it uses less digits than its factorization.

1548820230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2244700.

The product of its (nonzero) digits is 15360, while the sum is 33.

The square root of 1548820230 is about 39355.0534239251. The cubic root of 1548820230 is about 1157.0008309367. Note that the first 3 decimals are identical.

The spelling of 1548820230 in words is "one billion, five hundred forty-eight million, eight hundred twenty thousand, two hundred thirty".