146321000 has 64 divisors (see below), whose sum is σ = 391322880. Its totient is φ = 50164800.

The previous prime is 146320997. The next prime is 146321027. The reversal of 146321000 is 123641.

It is a self number, because there is not a number n which added to its sum of digits gives 146321000.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3452 + ... + 17451.

It is an arithmetic number, because the mean of its divisors is an integer number (6114420).

Almost surely, 2^146321000 is an apocalyptic number.

146321000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

146321000 is an abundant number, since it is smaller than the sum of its proper divisors (245001880).

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

146321000 is a wasteful number, since it uses less digits than its factorization.

146321000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20931 (or 20917 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 146321000 is about 12096.3217549799. The cubic root of 146321000 is about 526.9493666450.

Adding to 146321000 its reverse (123641), we get a palindrome (146444641).

The spelling of 146321000 in words is "one hundred forty-six million, three hundred twenty-one thousand".