45208 has 8 divisors (see below), whose sum is σ = 84780. Its totient is φ = 22600.

The previous prime is 45197. The next prime is 45233. The reversal of 45208 is 80254.

It is a happy number.

45208 is nontrivially palindromic in base 7.

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (19) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2818 + ... + 2833.

2⁴⁵²⁰⁸ is an apocalyptic number.

It is an amenable number.

45208 is a deficient number, since it is larger than the sum of its proper divisors (39572).

45208 is a wasteful number, since it uses less digits than its factorization.

45208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5657 (or 5653 counting only the distinct ones).

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

The square root of 45208 is about 212.6217298396. The cubic root of 45208 is about 35.6236513289.

It can be divided in two parts, 45 and 208, that added together give a triangular number (253 = T₂₂).

The spelling of 45208 in words is "forty-five thousand, two hundred eight".