42587144 has 16 divisors (see below), whose sum is σ = 81205200. Its totient is φ = 20932432.

The previous prime is 42587141. The next prime is 42587147. The reversal of 42587144 is 44178524.

It is an interprime number because it is at equal distance from previous prime (42587141) and next prime (42587147).

It is not an unprimeable number, because it can be changed into a prime (42587141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44642 + ... + 45585.

It is an arithmetic number, because the mean of its divisors is an integer number (5075325).

Almost surely, 2^42587144 is an apocalyptic number.

It is an amenable number.

42587144 is a deficient number, since it is larger than the sum of its proper divisors (38618056).

42587144 is a wasteful number, since it uses less digits than its factorization.

42587144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90292 (or 90288 counting only the distinct ones).

The product of its digits is 35840, while the sum is 35.

The square root of 42587144 is about 6525.8826222972. The cubic root of 42587144 is about 349.2149588564.

The spelling of 42587144 in words is "forty-two million, five hundred eighty-seven thousand, one hundred forty-four".