102842542 has 8 divisors (see below), whose sum is σ = 168287832. Its totient is φ = 46746600.

The previous prime is 102842539. The next prime is 102842557. The reversal of 102842542 is 245248201.

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

It is a self number, because there is not a number n which added to its sum of digits gives 102842542.

It is a congruent number.

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, 2337309 + ... + 2337352.

It is an arithmetic number, because the mean of its divisors is an integer number (21035979).

Almost surely, 2^102842542 is an apocalyptic number.

102842542 is a deficient number, since it is larger than the sum of its proper divisors (65445290).

102842542 is a wasteful number, since it uses less digits than its factorization.

102842542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4674674.

The product of its (nonzero) digits is 5120, while the sum is 28.

The square root of 102842542 is about 10141.1311992302. The cubic root of 102842542 is about 468.5158282322.

The spelling of 102842542 in words is "one hundred two million, eight hundred forty-two thousand, five hundred forty-two".