102502442 has 16 divisors (see below), whose sum is σ = 176643072. Its totient is φ = 43698480.

The previous prime is 102502423. The next prime is 102502447. The reversal of 102502442 is 244205201.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (102502447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16493 + ... + 21840.

It is an arithmetic number, because the mean of its divisors is an integer number (11040192).

Almost surely, 2^102502442 is an apocalyptic number.

102502442 is a deficient number, since it is larger than the sum of its proper divisors (74140630).

102502442 is a wasteful number, since it uses less digits than its factorization.

102502442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38533.

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

The square root of 102502442 is about 10124.3489667237. The cubic root of 102502442 is about 467.9987976934.

Adding to 102502442 its reverse (244205201), we get a palindrome (346707643).

The spelling of 102502442 in words is "one hundred two million, five hundred two thousand, four hundred forty-two".