42643514 has 32 divisors (see below), whose sum is σ = 71312400. Its totient is φ = 19031040.

The previous prime is 42643501. The next prime is 42643519. The reversal of 42643514 is 41534624.

It can be written as a sum of positive squares in 8 ways, for example, as 7656289 + 34987225 = 2767^2 + 5915^2 .

It is a Harshad number since it is a multiple of its sum of digits (29).

It is not an unprimeable number, because it can be changed into a prime (42643519) 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 15 ways as a sum of consecutive naturals, for example, 59792 + ... + 60500.

Almost surely, 2^42643514 is an apocalyptic number.

42643514 is a deficient number, since it is larger than the sum of its proper divisors (28668886).

42643514 is a wasteful number, since it uses less digits than its factorization.

42643514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 818.

The product of its digits is 11520, while the sum is 29.

The square root of 42643514 is about 6530.2001500720. The cubic root of 42643514 is about 349.3689690919.

The spelling of 42643514 in words is "forty-two million, six hundred forty-three thousand, five hundred fourteen".