453141421 has 4 divisors (see below), whose sum is σ = 453639744. Its totient is φ = 452643100.

The previous prime is 453141349. The next prime is 453141427. The reversal of 453141421 is 124141354.

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 a de Polignac number, because none of the positive numbers 2^k-453141421 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 (453141427) 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, 247795 + ... + 249616.

It is an arithmetic number, because the mean of its divisors is an integer number (113409936).

Almost surely, 2^453141421 is an apocalyptic number.

It is an amenable number.

453141421 is a deficient number, since it is larger than the sum of its proper divisors (498323).

453141421 is an equidigital number, since it uses as much as digits as its factorization.

453141421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 498322.

The product of its digits is 1920, while the sum is 25.

The square root of 453141421 is about 21287.1186636426. The cubic root of 453141421 is about 768.0884845649.

Adding to 453141421 its reverse (124141354), we get a palindrome (577282775).

The spelling of 453141421 in words is "four hundred fifty-three million, one hundred forty-one thousand, four hundred twenty-one".