102145733665 has 8 divisors (see below), whose sum is σ = 127904223168. Its totient is φ = 78163691760.

The previous prime is 102145733623. The next prime is 102145733681. The reversal of 102145733665 is 566337541201.

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

It is not a de Polignac number, because 102145733665 - 2⁹ = 102145733153 is a prime.

It is a super-2 number, since 2×102145733665² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 444111771 + ... + 444112000.

It is an arithmetic number, because the mean of its divisors is an integer number (15988027896).

Almost surely, 2^102145733665 is an apocalyptic number.

It is an amenable number.

102145733665 is a deficient number, since it is larger than the sum of its proper divisors (25758489503).

102145733665 is an equidigital number, since it uses as much as digits as its factorization.

102145733665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 888223799.

The product of its (nonzero) digits is 453600, while the sum is 43.

The spelling of 102145733665 in words is "one hundred two billion, one hundred forty-five million, seven hundred thirty-three thousand, six hundred sixty-five".