454440531 has 4 divisors (see below), whose sum is σ = 605920712. Its totient is φ = 302960352.

The previous prime is 454440529. The next prime is 454440587. The reversal of 454440531 is 135044454.

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

It is not a de Polignac number, because 454440531 - 2¹ = 454440529 is a prime.

It is a super-2 number, since 2×454440531² = 413032392431123922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (454440131) 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, 75740086 + ... + 75740091.

It is an arithmetic number, because the mean of its divisors is an integer number (151480178).

Almost surely, 2^454440531 is an apocalyptic number.

454440531 is a deficient number, since it is larger than the sum of its proper divisors (151480181).

454440531 is a wasteful number, since it uses less digits than its factorization.

454440531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151480180.

The product of its (nonzero) digits is 19200, while the sum is 30.

The square root of 454440531 is about 21317.6108182882. The cubic root of 454440531 is about 768.8217945507.

Adding to 454440531 its reverse (135044454), we get a palindrome (589484985).

The spelling of 454440531 in words is "four hundred fifty-four million, four hundred forty thousand, five hundred thirty-one".