42852138 has 32 divisors (see below), whose sum is σ = 103711104. Its totient is φ = 11523072.

The previous prime is 42852133. The next prime is 42852149. The reversal of 42852138 is 83125824.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 42852099 and 42852108.

It is not an unprimeable number, because it can be changed into a prime (42852133) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29295 + ... + 30722.

It is an arithmetic number, because the mean of its divisors is an integer number (3240972).

Almost surely, 2^42852138 is an apocalyptic number.

42852138 is an abundant number, since it is smaller than the sum of its proper divisors (60858966).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42852138 is a wasteful number, since it uses less digits than its factorization.

42852138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60046.

The product of its digits is 15360, while the sum is 33.

The square root of 42852138 is about 6546.1544436409. The cubic root of 42852138 is about 349.9377794157.

The spelling of 42852138 in words is "forty-two million, eight hundred fifty-two thousand, one hundred thirty-eight".