451449 has 12 divisors (see below), whose sum is σ = 659776. Its totient is φ = 297432.

The previous prime is 451441. The next prime is 451481. The reversal of 451449 is 944154.

It is not a de Polignac number, because 451449 - 2³ = 451441 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (451441) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 684 + ... + 1170.

2⁴⁵¹⁴⁴⁹ is an apocalyptic number.

It is an amenable number.

451449 is a deficient number, since it is larger than the sum of its proper divisors (208327).

451449 is a wasteful number, since it uses less digits than its factorization.

451449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 596 (or 593 counting only the distinct ones).

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

The square root of 451449 is about 671.8995460632. The cubic root of 451449 is about 76.7131056604.

It can be divided in two parts, 451 and 449, that added together give a square (900 = 30²).

The spelling of 451449 in words is "four hundred fifty-one thousand, four hundred forty-nine".