45802 has 4 divisors (see below), whose sum is σ = 68706. Its totient is φ = 22900.

The previous prime is 45779. The next prime is 45817. The reversal of 45802 is 20854.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 20854 = 2 ⋅10427.

It can be written as a sum of positive squares in only one way, i.e., 25921 + 19881 = 161^2 + 141^2 .

It is a nialpdrome in base 15.

It is a self number, because there is not a number n which added to its sum of digits gives 45802.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11449 + ... + 11452.

2⁴⁵⁸⁰² is an apocalyptic number.

45802 is a deficient number, since it is larger than the sum of its proper divisors (22904).

45802 is a wasteful number, since it uses less digits than its factorization.

45802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22903.

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 45802 is about 214.0140182325. The cubic root of 45802 is about 35.7789958249.

The spelling of 45802 in words is "forty-five thousand, eight hundred two".