102444432 has 20 divisors (see below), whose sum is σ = 264648240. Its totient is φ = 34148128.

The previous prime is 102444427. The next prime is 102444439. The reversal of 102444432 is 234444201.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (102444439) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1067082 + ... + 1067177.

It is an arithmetic number, because the mean of its divisors is an integer number (13232412).

Almost surely, 2^102444432 is an apocalyptic number.

102444432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

102444432 is an abundant number, since it is smaller than the sum of its proper divisors (162203808).

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

102444432 is a wasteful number, since it uses less digits than its factorization.

102444432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2134270 (or 2134264 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

The square root of 102444432 is about 10121.4836857054. The cubic root of 102444432 is about 467.9104949732.

Adding to 102444432 its reverse (234444201), we get a palindrome (336888633).

It can be divided in two parts, 10 and 2444432, that added together give a palindrome (2444442).

The spelling of 102444432 in words is "one hundred two million, four hundred forty-four thousand, four hundred thirty-two".