102065045 has 8 divisors (see below), whose sum is σ = 123691320. Its totient is φ = 80843200.

The previous prime is 102065039. The next prime is 102065057. The reversal of 102065045 is 540560201.

It can be written as a sum of positive squares in 4 ways, for example, as 37920964 + 64144081 = 6158^2 + 8009^2 .

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

It is not a de Polignac number, because 102065045 - 2²² = 97870741 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 102065045.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 100550 + ... + 101559.

It is an arithmetic number, because the mean of its divisors is an integer number (15461415).

Almost surely, 2^102065045 is an apocalyptic number.

It is an amenable number.

102065045 is a deficient number, since it is larger than the sum of its proper divisors (21626275).

102065045 is a wasteful number, since it uses less digits than its factorization.

102065045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202215.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 102065045 is about 10102.7246324939. The cubic root of 102065045 is about 467.3321692551.

It can be divided in two parts, 10206 and 5045, that added together give a palindrome (15251).

The spelling of 102065045 in words is "one hundred two million, sixty-five thousand, forty-five".