146181830 has 8 divisors (see below), whose sum is σ = 263127312. Its totient is φ = 58472728.

The previous prime is 146181821. The next prime is 146181853. The reversal of 146181830 is 38181641.

It is a happy number.

146181830 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 7309082 + ... + 7309101.

It is an arithmetic number, because the mean of its divisors is an integer number (32890914).

Almost surely, 2^146181830 is an apocalyptic number.

146181830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

146181830 is a deficient number, since it is larger than the sum of its proper divisors (116945482).

146181830 is a wasteful number, since it uses less digits than its factorization.

146181830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14618190.

The product of its (nonzero) digits is 4608, while the sum is 32.

The square root of 146181830 is about 12090.5678113147. The cubic root of 146181830 is about 526.7822482178.

The spelling of 146181830 in words is "one hundred forty-six million, one hundred eighty-one thousand, eight hundred thirty".