102150278242 has 8 divisors (see below), whose sum is σ = 153264249936. Its totient is φ = 51062194932.

The previous prime is 102150278221. The next prime is 102150278261. The reversal of 102150278242 is 242872051201.

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

It is a super-2 number, since 2×102150278242² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 102150278198 and 102150278207.

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, 6462228 + ... + 6478015.

It is an arithmetic number, because the mean of its divisors is an integer number (19158031242).

Almost surely, 2^102150278242 is an apocalyptic number.

102150278242 is a deficient number, since it is larger than the sum of its proper divisors (51113971694).

102150278242 is a wasteful number, since it uses less digits than its factorization.

102150278242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12944192.

The product of its (nonzero) digits is 17920, while the sum is 34.

The spelling of 102150278242 in words is "one hundred two billion, one hundred fifty million, two hundred seventy-eight thousand, two hundred forty-two".