146195720 has 32 divisors (see below), whose sum is σ = 358845120. Its totient is φ = 53161920.

The previous prime is 146195719. The next prime is 146195723. The reversal of 146195720 is 27591641.

It is not an unprimeable number, because it can be changed into a prime (146195723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 165692 + ... + 166571.

It is an arithmetic number, because the mean of its divisors is an integer number (11213910).

Almost surely, 2^146195720 is an apocalyptic number.

146195720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

146195720 is an abundant number, since it is smaller than the sum of its proper divisors (212649400).

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

146195720 is a wasteful number, since it uses less digits than its factorization.

146195720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 332285 (or 332281 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 35.

The square root of 146195720 is about 12091.1422123801. The cubic root of 146195720 is about 526.7989324019.

The spelling of 146195720 in words is "one hundred forty-six million, one hundred ninety-five thousand, seven hundred twenty".