146720812 has 48 divisors (see below), whose sum is σ = 327075840. Its totient is φ = 56063232.

The previous prime is 146720807. The next prime is 146720813. The reversal of 146720812 is 218027641.

It is not an unprimeable number, because it can be changed into a prime (146720813) by changing a digit.

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, 933 + ... + 17155.

It is an arithmetic number, because the mean of its divisors is an integer number (6814080).

Almost surely, 2^146720812 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 146720812, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (163537920).

146720812 is an abundant number, since it is smaller than the sum of its proper divisors (180355028).

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

146720812 is a wasteful number, since it uses less digits than its factorization.

146720812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16270 (or 16268 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 31.

The square root of 146720812 is about 12112.8366619880. The cubic root of 146720812 is about 527.4288810479.

The spelling of 146720812 in words is "one hundred forty-six million, seven hundred twenty thousand, eight hundred twelve".