4155432 has 48 divisors (see below), whose sum is σ = 10751520. Its totient is φ = 1338240.

The previous prime is 4155427. The next prime is 4155467. The reversal of 4155432 is 2345514.

4155432 is digitally balanced in base 2, because in such base 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 an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 40293 + ... + 40395.

It is an arithmetic number, because the mean of its divisors is an integer number (223990).

Almost surely, 2^4155432 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 4155432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5375760).

4155432 is an abundant number, since it is smaller than the sum of its proper divisors (6596088).

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

4155432 is a wasteful number, since it uses less digits than its factorization.

4155432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194 (or 149 counting only the distinct ones).

The product of its digits is 2400, while the sum is 24.

The square root of 4155432 is about 2038.4876747236. The cubic root of 4155432 is about 160.7701412344.

The spelling of 4155432 in words is "four million, one hundred fifty-five thousand, four hundred thirty-two".