42845277 has 8 divisors (see below), whose sum is σ = 57158080. Its totient is φ = 28548000.

The previous prime is 42845249. The next prime is 42845281. The reversal of 42845277 is 77254824.

42845277 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 42845277 - 2¹⁰ = 42844253 is a prime.

It is a super-2 number, since 2×42845277² = 3671435522413458, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42845237) 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 7 ways as a sum of consecutive naturals, for example, 6624 + ... + 11382.

It is an arithmetic number, because the mean of its divisors is an integer number (7144760).

Almost surely, 2^42845277 is an apocalyptic number.

It is an amenable number.

42845277 is a deficient number, since it is larger than the sum of its proper divisors (14312803).

42845277 is a wasteful number, since it uses less digits than its factorization.

42845277 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7763.

The product of its digits is 125440, while the sum is 39.

The square root of 42845277 is about 6545.6303745323. The cubic root of 42845277 is about 349.9191023915.

The spelling of 42845277 in words is "forty-two million, eight hundred forty-five thousand, two hundred seventy-seven".