451045 has 16 divisors (see below), whose sum is σ = 633600. Its totient is φ = 308112.

The previous prime is 451039. The next prime is 451051. The reversal of 451045 is 540154.

It is an interprime number because it is at equal distance from previous prime (451039) and next prime (451051).

It is not a de Polignac number, because 451045 - 2⁵ = 451013 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1584 + ... + 1846.

It is an arithmetic number, because the mean of its divisors is an integer number (39600).

2⁴⁵¹⁰⁴⁵ is an apocalyptic number.

It is an amenable number.

451045 is a deficient number, since it is larger than the sum of its proper divisors (182555).

451045 is an equidigital number, since it uses as much as digits as its factorization.

451045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289 (or 275 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 19.

The square root of 451045 is about 671.5988385934. The cubic root of 451045 is about 76.6902154084.

Adding to 451045 its reverse (540154), we get a palindrome (991199).

The spelling of 451045 in words is "four hundred fifty-one thousand, forty-five".