102342240542 has 8 divisors (see below), whose sum is σ = 154921740600. Its totient is φ = 50701660344.

The previous prime is 102342240541. The next prime is 102342240557. The reversal of 102342240542 is 245042243201.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102342240541) 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, 234729692 + ... + 234730127.

It is an arithmetic number, because the mean of its divisors is an integer number (19365217575).

Almost surely, 2^102342240542 is an apocalyptic number.

102342240542 is a deficient number, since it is larger than the sum of its proper divisors (52579500058).

102342240542 is a wasteful number, since it uses less digits than its factorization.

102342240542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 469459930.

The product of its (nonzero) digits is 15360, while the sum is 29.

Adding to 102342240542 its reverse (245042243201), we get a palindrome (347384483743).

The spelling of 102342240542 in words is "one hundred two billion, three hundred forty-two million, two hundred forty thousand, five hundred forty-two".