146432840 has 64 divisors (see below), whose sum is σ = 342144000. Its totient is φ = 56344320.

The previous prime is 146432837. The next prime is 146432851. The reversal of 146432840 is 48234641.

It is a junction number, because it is equal to n+sod(n) for n = 146432797 and 146432806.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 333341 + ... + 333779.

It is an arithmetic number, because the mean of its divisors is an integer number (5346000).

Almost surely, 2^146432840 is an apocalyptic number.

146432840 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 146432840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (171072000).

146432840 is an abundant number, since it is smaller than the sum of its proper divisors (195711160).

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

146432840 is a wasteful number, since it uses less digits than its factorization.

146432840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 750 (or 746 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 32.

The square root of 146432840 is about 12100.9437648474. The cubic root of 146432840 is about 527.0835898214.

The spelling of 146432840 in words is "one hundred forty-six million, four hundred thirty-two thousand, eight hundred forty".