42406148 has 12 divisors (see below), whose sum is σ = 75611340. Its totient is φ = 20802912.

The previous prime is 42406129. The next prime is 42406193. The reversal of 42406148 is 84160424.

It can be written as a sum of positive squares in 2 ways, for example, as 30558784 + 11847364 = 5528^2 + 3442^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 42406148.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 99803 + ... + 100226.

It is an arithmetic number, because the mean of its divisors is an integer number (6300945).

Almost surely, 2^42406148 is an apocalyptic number.

It is an amenable number.

42406148 is a deficient number, since it is larger than the sum of its proper divisors (33205192).

42406148 is a wasteful number, since it uses less digits than its factorization.

42406148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200086 (or 200084 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 29.

The square root of 42406148 is about 6512.0003071253. Note that the first 3 decimals coincide. The cubic root of 42406148 is about 348.7195334014.

The spelling of 42406148 in words is "forty-two million, four hundred six thousand, one hundred forty-eight".