453642345 has 48 divisors (see below), whose sum is σ = 856411920. Its totient is φ = 220796928.

The previous prime is 453642337. The next prime is 453642353. The reversal of 453642345 is 543246354.

453642345 is a `hidden beast` number, since 4 + 5 + 3 + 642 + 3 + 4 + 5 = 666.

It is an interprime number because it is at equal distance from previous prime (453642337) and next prime (453642353).

It can be written as a sum of positive squares in 8 ways, for example, as 7080921 + 446561424 = 2661^2 + 21132^2 .

It is not a de Polignac number, because 453642345 - 2³ = 453642337 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 47709 + ... + 56421.

It is an arithmetic number, because the mean of its divisors is an integer number (17841915).

Almost surely, 2^453642345 is an apocalyptic number.

453642345 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

453642345 is a deficient number, since it is larger than the sum of its proper divisors (402769575).

453642345 is a wasteful number, since it uses less digits than its factorization.

453642345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8826 (or 8823 counting only the distinct ones).

The product of its digits is 172800, while the sum is 36.

The square root of 453642345 is about 21298.8813086509. The cubic root of 453642345 is about 768.3714074746.

Adding to 453642345 its reverse (543246354), we get a palindrome (996888699).

The spelling of 453642345 in words is "four hundred fifty-three million, six hundred forty-two thousand, three hundred forty-five".