42046453 has 4 divisors (see below), whose sum is σ = 42674080. Its totient is φ = 41418828.

The previous prime is 42046421. The next prime is 42046471. The reversal of 42046453 is 35464024.

42046453 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 not a de Polignac number, because 42046453 - 2⁵ = 42046421 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 (42043453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 313713 + ... + 313846.

It is an arithmetic number, because the mean of its divisors is an integer number (10668520).

Almost surely, 2^42046453 is an apocalyptic number.

It is an amenable number.

42046453 is a deficient number, since it is larger than the sum of its proper divisors (627627).

42046453 is an equidigital number, since it uses as much as digits as its factorization.

42046453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 627626.

The product of its (nonzero) digits is 11520, while the sum is 28.

The square root of 42046453 is about 6484.3236347363. The cubic root of 42046453 is about 347.7307695456.

The spelling of 42046453 in words is "forty-two million, forty-six thousand, four hundred fifty-three".