45446 has 8 divisors (see below), whose sum is σ = 70464. Its totient is φ = 21960.

The previous prime is 45439. The next prime is 45481. The reversal of 45446 is 64454.

It is a happy number.

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

It is a plaindrome in base 13.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 45446.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 305 + ... + 428.

It is an arithmetic number, because the mean of its divisors is an integer number (8808).

2⁴⁵⁴⁴⁶ is an apocalyptic number.

45446 is a deficient number, since it is larger than the sum of its proper divisors (25018).

45446 is a wasteful number, since it uses less digits than its factorization.

45446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 766.

The product of its digits is 1920, while the sum is 23.

The square root of 45446 is about 213.1806745463. The cubic root of 45446 is about 35.6860561687.

The spelling of 45446 in words is "forty-five thousand, four hundred forty-six".