102316142 has 4 divisors (see below), whose sum is σ = 153474216. Its totient is φ = 51158070.

The previous prime is 102316141. The next prime is 102316157. The reversal of 102316142 is 241613201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 241613201 = 59 ⋅4095139.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102316141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25579034 + ... + 25579037.

It is an arithmetic number, because the mean of its divisors is an integer number (38368554).

Almost surely, 2^102316142 is an apocalyptic number.

102316142 is a deficient number, since it is larger than the sum of its proper divisors (51158074).

102316142 is an equidigital number, since it uses as much as digits as its factorization.

102316142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51158073.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 102316142 is about 10115.1441907666. The cubic root of 102316142 is about 467.7150937161.

Adding to 102316142 its reverse (241613201), we get a palindrome (343929343).

The spelling of 102316142 in words is "one hundred two million, three hundred sixteen thousand, one hundred forty-two".