102432142 has 8 divisors (see below), whose sum is σ = 156252600. Its totient is φ = 50347944.

The previous prime is 102432139. The next prime is 102432167. The reversal of 102432142 is 241234201.

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, 433917 + ... + 434152.

It is an arithmetic number, because the mean of its divisors is an integer number (19531575).

Almost surely, 2^102432142 is an apocalyptic number.

102432142 is a deficient number, since it is larger than the sum of its proper divisors (53820458).

102432142 is an equidigital number, since it uses as much as digits as its factorization.

102432142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 868130.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 102432142 is about 10120.8765430668. The cubic root of 102432142 is about 467.8917828778.

Adding to 102432142 its reverse (241234201), we get a palindrome (343666343).

The spelling of 102432142 in words is "one hundred two million, four hundred thirty-two thousand, one hundred forty-two".