102432432 has 160 divisors (see below), whose sum is σ = 295981056. Its totient is φ = 30412800.

The previous prime is 102432419. The next prime is 102432433. The reversal of 102432432 is 234234201.

It is a junction number, because it is equal to n+sod(n) for n = 102432399 and 102432408.

It is not an unprimeable number, because it can be changed into a prime (102432433) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1403148 + ... + 1403220.

Almost surely, 2^102432432 is an apocalyptic number.

102432432 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 102432432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (147990528).

102432432 is an abundant number, since it is smaller than the sum of its proper divisors (193548624).

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

102432432 is a wasteful number, since it uses less digits than its factorization.

102432432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179 (or 173 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 102432432 is about 10120.8908698790. The cubic root of 102432432 is about 467.8922244335.

Adding to 102432432 its reverse (234234201), we get a palindrome (336666633).

The spelling of 102432432 in words is "one hundred two million, four hundred thirty-two thousand, four hundred thirty-two".