102145766 has 8 divisors (see below), whose sum is σ = 153419184. Its totient is φ = 51006040.

The previous prime is 102145751. The next prime is 102145777. The reversal of 102145766 is 667541201.

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

It is a congruent number.

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, 31490 + ... + 34581.

It is an arithmetic number, because the mean of its divisors is an integer number (19177398).

Almost surely, 2^102145766 is an apocalyptic number.

102145766 is a deficient number, since it is larger than the sum of its proper divisors (51273418).

102145766 is an equidigital number, since it uses as much as digits as its factorization.

102145766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66846.

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 102145766 is about 10106.7188543068. The cubic root of 102145766 is about 467.4553377029.

Adding to 102145766 its reverse (667541201), we get a palindrome (769686967).

The spelling of 102145766 in words is "one hundred two million, one hundred forty-five thousand, seven hundred sixty-six".