102214146842 has 4 divisors (see below), whose sum is σ = 153321220266. Its totient is φ = 51107073420.

The previous prime is 102214146823. The next prime is 102214146863. The reversal of 102214146842 is 248641412201.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 97730639161 + 4483507681 = 312619^2 + 66959^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25553536709 + ... + 25553536712.

Almost surely, 2^102214146842 is an apocalyptic number.

102214146842 is a deficient number, since it is larger than the sum of its proper divisors (51107073424).

102214146842 is an equidigital number, since it uses as much as digits as its factorization.

102214146842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51107073423.

The product of its (nonzero) digits is 24576, while the sum is 35.

The spelling of 102214146842 in words is "one hundred two billion, two hundred fourteen million, one hundred forty-six thousand, eight hundred forty-two".