42034143 has 16 divisors (see below), whose sum is σ = 57609216. Its totient is φ = 27245760.

The previous prime is 42034129. The next prime is 42034147. The reversal of 42034143 is 34143024.

It is not a de Polignac number, because 42034143 - 2⁴ = 42034127 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42034147) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 68946 + ... + 69552.

It is an arithmetic number, because the mean of its divisors is an integer number (3600576).

Almost surely, 2^42034143 is an apocalyptic number.

42034143 is a deficient number, since it is larger than the sum of its proper divisors (15575073).

42034143 is a wasteful number, since it uses less digits than its factorization.

42034143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1214.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 42034143 is about 6483.3743529122. The cubic root of 42034143 is about 347.6968310222.

Adding to 42034143 its reverse (34143024), we get a palindrome (76177167).

The spelling of 42034143 in words is "forty-two million, thirty-four thousand, one hundred forty-three".