445149 has 8 divisors (see below), whose sum is σ = 659520. Its totient is φ = 296748.

The previous prime is 445141. The next prime is 445157. The reversal of 445149 is 941544.

It is an interprime number because it is at equal distance from previous prime (445141) and next prime (445157).

It is not a de Polignac number, because 445149 - 2³ = 445141 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 16487 = 445149 / (4 + 4 + 5 + 1 + 4 + 9).

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 445149.

It is not an unprimeable number, because it can be changed into a prime (445141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8217 + ... + 8270.

It is an arithmetic number, because the mean of its divisors is an integer number (82440).

2⁴⁴⁵¹⁴⁹ is an apocalyptic number.

It is an amenable number.

445149 is a deficient number, since it is larger than the sum of its proper divisors (214371).

445149 is a wasteful number, since it uses less digits than its factorization.

445149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16496 (or 16490 counting only the distinct ones).

The product of its digits is 2880, while the sum is 27.

The square root of 445149 is about 667.1948740810. The cubic root of 445149 is about 76.3545872858.

The spelling of 445149 in words is "four hundred forty-five thousand, one hundred forty-nine".