16102045 has 4 divisors (see below), whose sum is σ = 19322460. Its totient is φ = 12881632.

The previous prime is 16102027. The next prime is 16102049. The reversal of 16102045 is 54020161.

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 6255001 + 9847044 = 2501^2 + 3138^2 .

It is a cyclic number.

It is not a de Polignac number, because 16102045 - 2⁵ = 16102013 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16102049) 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, 1610200 + ... + 1610209.

It is an arithmetic number, because the mean of its divisors is an integer number (4830615).

Almost surely, 2^16102045 is an apocalyptic number.

It is an amenable number.

16102045 is a deficient number, since it is larger than the sum of its proper divisors (3220415).

16102045 is an equidigital number, since it uses as much as digits as its factorization.

16102045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3220414.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 16102045 is about 4012.7353513532. The cubic root of 16102045 is about 252.5187778082.

It can be divided in two parts, 1610 and 2045, that added together give a triangular number (3655 = T₈₅).

The spelling of 16102045 in words is "sixteen million, one hundred two thousand, forty-five".