102051456173 has 4 divisors (see below), whose sum is σ = 102079957788. Its totient is φ = 102022954560.

The previous prime is 102051456121. The next prime is 102051456179. The reversal of 102051456173 is 371654150201.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 96604720969 + 5446735204 = 310813^2 + 73802^2 .

It is a cyclic number.

It is not a de Polignac number, because 102051456173 - 2⁶ = 102051456109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102051456179) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14245436 + ... + 14252597.

It is an arithmetic number, because the mean of its divisors is an integer number (25519989447).

Almost surely, 2^102051456173 is an apocalyptic number.

It is an amenable number.

102051456173 is a deficient number, since it is larger than the sum of its proper divisors (28501615).

102051456173 is an equidigital number, since it uses as much as digits as its factorization.

102051456173 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28501614.

The product of its (nonzero) digits is 25200, while the sum is 35.

The spelling of 102051456173 in words is "one hundred two billion, fifty-one million, four hundred fifty-six thousand, one hundred seventy-three".