424145453 has 4 divisors (see below), whose sum is σ = 424192860. Its totient is φ = 424098048.

The previous prime is 424145429. The next prime is 424145459. The reversal of 424145453 is 354541424.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 209757289 + 214388164 = 14483^2 + 14642^2 .

It is a cyclic number.

It is not a de Polignac number, because 424145453 - 2¹⁸ = 423883309 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 (424145459) 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, 5750 + ... + 29687.

It is an arithmetic number, because the mean of its divisors is an integer number (106048215).

Almost surely, 2^424145453 is an apocalyptic number.

It is an amenable number.

424145453 is a deficient number, since it is larger than the sum of its proper divisors (47407).

424145453 is a wasteful number, since it uses less digits than its factorization.

424145453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47406.

The product of its digits is 38400, while the sum is 32.

The square root of 424145453 is about 20594.7918901843. The cubic root of 424145453 is about 751.3430471598.

Adding to 424145453 its reverse (354541424), we get a palindrome (778686877).

It can be divided in two parts, 4241 and 45453, that added together give a palindrome (49694).

The spelling of 424145453 in words is "four hundred twenty-four million, one hundred forty-five thousand, four hundred fifty-three".