102442052 has 12 divisors (see below), whose sum is σ = 179500860. Its totient is φ = 51156096.

The previous prime is 102442033. The next prime is 102442061. The reversal of 102442052 is 250244201.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 72148036 + 30294016 = 8494^2 + 5504^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12593 + ... + 19064.

It is an arithmetic number, because the mean of its divisors is an integer number (14958405).

Almost surely, 2^102442052 is an apocalyptic number.

It is an amenable number.

102442052 is a deficient number, since it is larger than the sum of its proper divisors (77058808).

102442052 is a wasteful number, since it uses less digits than its factorization.

102442052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32470 (or 32468 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 102442052 is about 10121.3661133268. The cubic root of 102442052 is about 467.9068714296.

Adding to 102442052 its reverse (250244201), we get a palindrome (352686253).

The spelling of 102442052 in words is "one hundred two million, four hundred forty-two thousand, fifty-two".