102165045 has 8 divisors (see below), whose sum is σ = 163464096. Its totient is φ = 54488016.

The previous prime is 102165043. The next prime is 102165047. The reversal of 102165045 is 540561201.

It is an interprime number because it is at equal distance from previous prime (102165043) and next prime (102165047).

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

It is not a de Polignac number, because 102165045 - 2¹ = 102165043 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102165043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3405487 + ... + 3405516.

It is an arithmetic number, because the mean of its divisors is an integer number (20433012).

Almost surely, 2^102165045 is an apocalyptic number.

102165045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

102165045 is a deficient number, since it is larger than the sum of its proper divisors (61299051).

102165045 is an equidigital number, since it uses as much as digits as its factorization.

102165045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6811011.

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 102165045 is about 10107.6725807675. The cubic root of 102165045 is about 467.4847450387.

It can be divided in two parts, 1021 and 65045, that added together give a palindrome (66066).

The spelling of 102165045 in words is "one hundred two million, one hundred sixty-five thousand, forty-five".