42015164 has 24 divisors (see below), whose sum is σ = 75078528. Its totient is φ = 20568240.

The previous prime is 42015163. The next prime is 42015179. The reversal of 42015164 is 46151024.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42015163) 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 7 ways as a sum of consecutive naturals, for example, 56177 + ... + 56919.

It is an arithmetic number, because the mean of its divisors is an integer number (3128272).

Almost surely, 2^42015164 is an apocalyptic number.

It is an amenable number.

42015164 is a deficient number, since it is larger than the sum of its proper divisors (33063364).

42015164 is a wasteful number, since it uses less digits than its factorization.

42015164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1025 (or 1023 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 42015164 is about 6481.9105208264. The cubic root of 42015164 is about 347.6444931598.

Adding to 42015164 its reverse (46151024), we get a palindrome (88166188).

The spelling of 42015164 in words is "forty-two million, fifteen thousand, one hundred sixty-four".