42765453 has 18 divisors (see below), whose sum is σ = 62850762. Its totient is φ = 28020960.

The previous prime is 42765433. The next prime is 42765467. The reversal of 42765453 is 35456724.

42765453 is a `hidden beast` number, since 42 + 76 + 545 + 3 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 736164 + 42029289 = 858^2 + 6483^2 .

It is not a de Polignac number, because 42765453 - 2⁹ = 42764941 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42765403) by changing a digit.

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 17 ways as a sum of consecutive naturals, for example, 32851 + ... + 34127.

It is an arithmetic number, because the mean of its divisors is an integer number (3491709).

Almost surely, 2^42765453 is an apocalyptic number.

It is an amenable number.

42765453 is a deficient number, since it is larger than the sum of its proper divisors (20085309).

42765453 is a wasteful number, since it uses less digits than its factorization.

42765453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1405 (or 1341 counting only the distinct ones).

The product of its digits is 100800, while the sum is 36.

The square root of 42765453 is about 6539.5300289853. The cubic root of 42765453 is about 349.7016586902.

The spelling of 42765453 in words is "forty-two million, seven hundred sixty-five thousand, four hundred fifty-three".