146531112 has 128 divisors (see below), whose sum is σ = 454675200. Its totient is φ = 38548224.

The previous prime is 146531111. The next prime is 146531117. The reversal of 146531112 is 211135641.

It is a happy number.

146531112 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146531111) 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, 368898 + ... + 369294.

It is an arithmetic number, because the mean of its divisors is an integer number (3552150).

Almost surely, 2^146531112 is an apocalyptic number.

146531112 is a gapful number since it is divisible by the number (12) 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 146531112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (227337600).

146531112 is an abundant number, since it is smaller than the sum of its proper divisors (308144088).

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

146531112 is a wasteful number, since it uses less digits than its factorization.

146531112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 452 (or 422 counting only the distinct ones).

The product of its digits is 720, while the sum is 24.

The square root of 146531112 is about 12105.0035935558. The cubic root of 146531112 is about 527.2014731588.

Adding to 146531112 its reverse (211135641), we get a palindrome (357666753).

The spelling of 146531112 in words is "one hundred forty-six million, five hundred thirty-one thousand, one hundred twelve".