1802345 has 16 divisors (see below), whose sum is σ = 2261952. Its totient is φ = 1377600.

The previous prime is 1802327. The next prime is 1802347. The reversal of 1802345 is 5432081.

It is not a de Polignac number, because 1802345 - 2¹⁴ = 1785961 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1802345.

It is not an unprimeable number, because it can be changed into a prime (1802347) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17795 + ... + 17895.

It is an arithmetic number, because the mean of its divisors is an integer number (141372).

2^1802345 is an apocalyptic number.

It is an amenable number.

1802345 is a deficient number, since it is larger than the sum of its proper divisors (459607).

1802345 is a wasteful number, since it uses less digits than its factorization.

1802345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 1802345 is about 1342.5144319522. The cubic root of 1802345 is about 121.6968420390.

The spelling of 1802345 in words is "one million, eight hundred two thousand, three hundred forty-five".