42143156 has 24 divisors (see below), whose sum is σ = 80619840. Its totient is φ = 19116800.

The previous prime is 42143141. The next prime is 42143183. The reversal of 42143156 is 65134124.

It is a congruent number.

It is an unprimeable number.

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, 40361 + ... + 41391.

It is an arithmetic number, because the mean of its divisors is an integer number (3359160).

Almost surely, 2^42143156 is an apocalyptic number.

It is an amenable number.

42143156 is a deficient number, since it is larger than the sum of its proper divisors (38476684).

42143156 is a wasteful number, since it uses less digits than its factorization.

42143156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1975 (or 1973 counting only the distinct ones).

The product of its digits is 2880, while the sum is 26.

The square root of 42143156 is about 6491.7760281760. The cubic root of 42143156 is about 347.9971484331.

The spelling of 42143156 in words is "forty-two million, one hundred forty-three thousand, one hundred fifty-six".