146028432 has 80 divisors (see below), whose sum is σ = 413955648. Its totient is φ = 43991040.

The previous prime is 146028401. The next prime is 146028439. The reversal of 146028432 is 234820641.

It is a self number, because there is not a number n which added to its sum of digits gives 146028432.

It is not an unprimeable number, because it can be changed into a prime (146028439) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 101188 + ... + 102620.

Almost surely, 2^146028432 is an apocalyptic number.

146028432 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 146028432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (206977824).

146028432 is an abundant number, since it is smaller than the sum of its proper divisors (267927216).

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

146028432 is a wasteful number, since it uses less digits than its factorization.

146028432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1648 (or 1642 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 30.

The square root of 146028432 is about 12084.2224408524. Note that the first 3 decimals coincide. The cubic root of 146028432 is about 526.5979215583.

It can be divided in two parts, 1460 and 28432, that added together give a palindrome (29892).

The spelling of 146028432 in words is "one hundred forty-six million, twenty-eight thousand, four hundred thirty-two".