842526045 has 24 divisors (see below), whose sum is σ = 1461462912. Its totient is φ = 449013600.

The previous prime is 842526043. The next prime is 842526109. The reversal of 842526045 is 540625248.

It is a happy number.

842526045 is a `hidden beast` number, since 8 + 42 + 5 + 2 + 604 + 5 = 666.

It is not a de Polignac number, because 842526045 - 2¹ = 842526043 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (842526043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 61800 + ... + 74190.

It is an arithmetic number, because the mean of its divisors is an integer number (60894288).

Almost surely, 2^842526045 is an apocalyptic number.

It is an amenable number.

842526045 is a deficient number, since it is larger than the sum of its proper divisors (618936867).

842526045 is a wasteful number, since it uses less digits than its factorization.

842526045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13913 (or 13910 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 36.

The square root of 842526045 is about 29026.2991957294. The cubic root of 842526045 is about 944.4836517390.

The spelling of 842526045 in words is "eight hundred forty-two million, five hundred twenty-six thousand, forty-five".