132543432 has 128 divisors (see below), whose sum is σ = 429600000. Its totient is φ = 37848384.

The previous prime is 132543413. The next prime is 132543451. The reversal of 132543432 is 234345231.

It is an interprime number because it is at equal distance from previous prime (132543413) and next prime (132543451).

It is a super-2 number, since 2×132543432² = 35135522732677248, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 132543396 and 132543405.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 73194 + ... + 74982.

It is an arithmetic number, because the mean of its divisors is an integer number (3356250).

Almost surely, 2^132543432 is an apocalyptic number.

132543432 is a gapful number since it is divisible by the number (12) 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 132543432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (214800000).

132543432 is an abundant number, since it is smaller than the sum of its proper divisors (297056568).

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

132543432 is a wasteful number, since it uses less digits than its factorization.

132543432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1825 (or 1801 counting only the distinct ones).

The product of its digits is 8640, while the sum is 27.

The square root of 132543432 is about 11512.7508441727. The cubic root of 132543432 is about 509.8621080494.

Adding to 132543432 its reverse (234345231), we get a palindrome (366888663).

The spelling of 132543432 in words is "one hundred thirty-two million, five hundred forty-three thousand, four hundred thirty-two".