4321152 has 144 divisors (see below), whose sum is σ = 14108640. Its totient is φ = 1267200.

The previous prime is 4321139. The next prime is 4321157. The reversal of 4321152 is 2511234.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4321157) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 139377 + ... + 139407.

Almost surely, 2^4321152 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 4321152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7054320).

4321152 is an abundant number, since it is smaller than the sum of its proper divisors (9787488).

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

4321152 is a wasteful number, since it uses less digits than its factorization.

4321152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73 (or 47 counting only the distinct ones).

The product of its digits is 240, while the sum is 18.

The square root of 4321152 is about 2078.7380787391. The cubic root of 4321152 is about 162.8795326030.

Adding to 4321152 its reverse (2511234), we get a palindrome (6832386).

The spelling of 4321152 in words is "four million, three hundred twenty-one thousand, one hundred fifty-two".