450541421 has 8 divisors (see below), whose sum is σ = 492303744. Its totient is φ = 408913120.

The previous prime is 450541397. The next prime is 450541423. The reversal of 450541421 is 124145054.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 450541421 - 2¹⁴ = 450525037 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (450541423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26405 + ... + 39978.

It is an arithmetic number, because the mean of its divisors is an integer number (61537968).

Almost surely, 2^450541421 is an apocalyptic number.

It is an amenable number.

450541421 is a deficient number, since it is larger than the sum of its proper divisors (41762323).

450541421 is a wasteful number, since it uses less digits than its factorization.

450541421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67011.

The product of its (nonzero) digits is 3200, while the sum is 26.

The square root of 450541421 is about 21225.9610147574. The cubic root of 450541421 is about 766.6166396048.

Adding to 450541421 its reverse (124145054), we get a palindrome (574686475).

The spelling of 450541421 in words is "four hundred fifty million, five hundred forty-one thousand, four hundred twenty-one".