42142293 has 12 divisors (see below), whose sum is σ = 61029228. Its totient is φ = 28022400.

The previous prime is 42142267. The next prime is 42142319. The reversal of 42142293 is 39224124.

It is an interprime number because it is at equal distance from previous prime (42142267) and next prime (42142319).

It can be written as a sum of positive squares in 2 ways, for example, as 39652209 + 2490084 = 6297^2 + 1578^2 .

It is not a de Polignac number, because 42142293 - 2⁶ = 42142229 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42142213) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2230 + ... + 9447.

It is an arithmetic number, because the mean of its divisors is an integer number (5085769).

Almost surely, 2^42142293 is an apocalyptic number.

It is an amenable number.

42142293 is a deficient number, since it is larger than the sum of its proper divisors (18886935).

42142293 is a wasteful number, since it uses less digits than its factorization.

42142293 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12084 (or 12081 counting only the distinct ones).

The product of its digits is 3456, while the sum is 27.

The square root of 42142293 is about 6491.7095591223. The cubic root of 42142293 is about 347.9947730091.

The spelling of 42142293 in words is "forty-two million, one hundred forty-two thousand, two hundred ninety-three".