146659920 has 160 divisors (see below), whose sum is σ = 503432064. Its totient is φ = 35020800.

The previous prime is 146659889. The next prime is 146659927. The reversal of 146659920 is 29956641.

It is a happy number.

146659920 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146659927) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 192340 + ... + 193100.

Almost surely, 2^146659920 is an apocalyptic number.

146659920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 146659920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (251716032).

146659920 is an abundant number, since it is smaller than the sum of its proper divisors (356772144).

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

146659920 is a wasteful number, since it uses less digits than its factorization.

146659920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 861 (or 855 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 42.

The square root of 146659920 is about 12110.3228693541. The cubic root of 146659920 is about 527.3559065258.

It can be divided in two parts, 146 and 659920, that added together give a palindrome (660066).

The spelling of 146659920 in words is "one hundred forty-six million, six hundred fifty-nine thousand, nine hundred twenty".