1802104145 has 8 divisors (see below), whose sum is σ = 2203327656. Its totient is φ = 1414481536.

The previous prime is 1802104133. The next prime is 1802104169. The reversal of 1802104145 is 5414012081.

It can be written as a sum of positive squares in 4 ways, for example, as 627602704 + 1174501441 = 25052^2 + 34271^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 1802104145 - 2¹⁴ = 1802087761 is a prime.

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, 3399932 + ... + 3400461.

It is an arithmetic number, because the mean of its divisors is an integer number (275415957).

Almost surely, 2^1802104145 is an apocalyptic number.

It is an amenable number.

1802104145 is a deficient number, since it is larger than the sum of its proper divisors (401223511).

1802104145 is an equidigital number, since it uses as much as digits as its factorization.

1802104145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6800451.

The product of its (nonzero) digits is 1280, while the sum is 26.

The square root of 1802104145 is about 42451.1972151552. The cubic root of 1802104145 is about 1216.9142084256.

The spelling of 1802104145 in words is "one billion, eight hundred two million, one hundred four thousand, one hundred forty-five".