451140241 has 4 divisors (see below), whose sum is σ = 465693184. Its totient is φ = 436587300.

The previous prime is 451140229. The next prime is 451140247. The reversal of 451140241 is 142041154.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 451140241 - 2⁹ = 451139729 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (451140247) 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, 7276425 + ... + 7276486.

It is an arithmetic number, because the mean of its divisors is an integer number (116423296).

Almost surely, 2^451140241 is an apocalyptic number.

It is an amenable number.

451140241 is a deficient number, since it is larger than the sum of its proper divisors (14552943).

451140241 is a wasteful number, since it uses less digits than its factorization.

451140241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14552942.

The product of its (nonzero) digits is 640, while the sum is 22.

The square root of 451140241 is about 21240.0621703422. The cubic root of 451140241 is about 766.9561290292.

Adding to 451140241 its reverse (142041154), we get a palindrome (593181395).

The spelling of 451140241 in words is "four hundred fifty-one million, one hundred forty thousand, two hundred forty-one".