2143152 has 120 divisors (see below), whose sum is σ = 6926640. Its totient is φ = 633600.

The previous prime is 2143147. The next prime is 2143157. The reversal of 2143152 is 2513412.

It is an interprime number because it is at equal distance from previous prime (2143147) and next prime (2143157).

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

Its product of digits (240) is a multiple of the sum of its prime factors (80).

It is a nialpdrome in base 12.

It is not an unprimeable number, because it can be changed into a prime (2143157) 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, 52252 + ... + 52292.

It is an arithmetic number, because the mean of its divisors is an integer number (57722).

2^2143152 is an apocalyptic number.

2143152 is a gapful number since it is divisible by the number (22) 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 2143152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3463320).

2143152 is an abundant number, since it is smaller than the sum of its proper divisors (4783488).

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

2143152 is a wasteful number, since it uses less digits than its factorization.

2143152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80 (or 57 counting only the distinct ones).

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

The square root of 2143152 is about 1463.9508188460. The cubic root of 2143152 is about 128.9291119451.

Adding to 2143152 its reverse (2513412), we get a palindrome (4656564).

The spelling of 2143152 in words is "two million, one hundred forty-three thousand, one hundred fifty-two".