146143404 has 72 divisors (see below), whose sum is σ = 407027712. Its totient is φ = 43843680.

The previous prime is 146143397. The next prime is 146143409. The reversal of 146143404 is 404341641.

146143404 is a `hidden beast` number, since 1 + 4 + 614 + 3 + 40 + 4 = 666.

146143404 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (146143409) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 38997 + ... + 42579.

Almost surely, 2^146143404 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 146143404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (203513856).

146143404 is an abundant number, since it is smaller than the sum of its proper divisors (260884308).

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

146143404 is a wasteful number, since it uses less digits than its factorization.

146143404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3707 (or 3702 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 146143404 is about 12088.9786169056. The cubic root of 146143404 is about 526.7360867385.

The spelling of 146143404 in words is "one hundred forty-six million, one hundred forty-three thousand, four hundred four".