146112280 has 128 divisors (see below), whose sum is σ = 376358400. Its totient is φ = 50706432.

The previous prime is 146112257. The next prime is 146112311. The reversal of 146112280 is 82211641.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 555429 + ... + 555691.

It is an arithmetic number, because the mean of its divisors is an integer number (2940300).

Almost surely, 2^146112280 is an apocalyptic number.

146112280 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 146112280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (188179200).

146112280 is an abundant number, since it is smaller than the sum of its proper divisors (230246120).

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

146112280 is a wasteful number, since it uses less digits than its factorization.

146112280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 353 (or 349 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 25.

The square root of 146112280 is about 12087.6912601208. The cubic root of 146112280 is about 526.6986912820.

The spelling of 146112280 in words is "one hundred forty-six million, one hundred twelve thousand, two hundred eighty".