102204142 has 8 divisors (see below), whose sum is σ = 153459432. Its totient is φ = 51051000.

The previous prime is 102204133. The next prime is 102204169. The reversal of 102204142 is 241402201.

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

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, 22984 + ... + 27067.

It is an arithmetic number, because the mean of its divisors is an integer number (19182429).

Almost surely, 2^102204142 is an apocalyptic number.

102204142 is a deficient number, since it is larger than the sum of its proper divisors (51255290).

102204142 is a wasteful number, since it uses less digits than its factorization.

102204142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51074.

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 102204142 is about 10109.6064216170. The cubic root of 102204142 is about 467.5443705206.

Adding to 102204142 its reverse (241402201), we get a palindrome (343606343).

The spelling of 102204142 in words is "one hundred two million, two hundred four thousand, one hundred forty-two".