453101421 has 4 divisors (see below), whose sum is σ = 604135232. Its totient is φ = 302067612.

The previous prime is 453101393. The next prime is 453101443. The reversal of 453101421 is 124101354.

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 not a de Polignac number, because 453101421 - 2⁹ = 453100909 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 (453101021) 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, 75516901 + ... + 75516906.

It is an arithmetic number, because the mean of its divisors is an integer number (151033808).

Almost surely, 2^453101421 is an apocalyptic number.

It is an amenable number.

453101421 is a deficient number, since it is larger than the sum of its proper divisors (151033811).

453101421 is a wasteful number, since it uses less digits than its factorization.

453101421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151033810.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 453101421 is about 21286.1791075806. The cubic root of 453101421 is about 768.0658834946.

Adding to 453101421 its reverse (124101354), we get a palindrome (577202775).

The spelling of 453101421 in words is "four hundred fifty-three million, one hundred one thousand, four hundred twenty-one".