102342442 has 8 divisors (see below), whose sum is σ = 154722816. Its totient is φ = 50768172.

The previous prime is 102342419. The next prime is 102342463. The reversal of 102342442 is 244243201.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 201208 + ... + 201715.

It is an arithmetic number, because the mean of its divisors is an integer number (19340352).

Almost surely, 2^102342442 is an apocalyptic number.

102342442 is a deficient number, since it is larger than the sum of its proper divisors (52380374).

102342442 is a wasteful number, since it uses less digits than its factorization.

102342442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 403052.

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 102342442 is about 10116.4441381347. Note that the first 3 decimals coincide. The cubic root of 102342442 is about 467.7551651160.

Adding to 102342442 its reverse (244243201), we get a palindrome (346585643).

The spelling of 102342442 in words is "one hundred two million, three hundred forty-two thousand, four hundred forty-two".