42665148 has 36 divisors (see below), whose sum is σ = 111569640. Its totient is φ = 13730976.

The previous prime is 42665141. The next prime is 42665171. The reversal of 42665148 is 84156624.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42665141) 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 11 ways as a sum of consecutive naturals, for example, 19390 + ... + 21477.

Almost surely, 2^42665148 is an apocalyptic number.

It is an amenable number.

42665148 is an abundant number, since it is smaller than the sum of its proper divisors (68904492).

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

42665148 is a wasteful number, since it uses less digits than its factorization.

42665148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40906 (or 40901 counting only the distinct ones).

The product of its digits is 46080, while the sum is 36.

The square root of 42665148 is about 6531.8563976866. The cubic root of 42665148 is about 349.4280399780.

The spelling of 42665148 in words is "forty-two million, six hundred sixty-five thousand, one hundred forty-eight".