451200143 has 4 divisors (see below), whose sum is σ = 452127120. Its totient is φ = 450273168.

The previous prime is 451200119. The next prime is 451200157. The reversal of 451200143 is 341002154.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 451200143 - 2¹² = 451196047 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (451200643) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 462758 + ... + 463731.

It is an arithmetic number, because the mean of its divisors is an integer number (113031780).

Almost surely, 2^451200143 is an apocalyptic number.

451200143 is a deficient number, since it is larger than the sum of its proper divisors (926977).

451200143 is an equidigital number, since it uses as much as digits as its factorization.

451200143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 926976.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 451200143 is about 21241.4722418198. The cubic root of 451200143 is about 766.9900727779.

Adding to 451200143 its reverse (341002154), we get a palindrome (792202297).

The spelling of 451200143 in words is "four hundred fifty-one million, two hundred thousand, one hundred forty-three".