42847156 has 24 divisors (see below), whose sum is σ = 82353600. Its totient is φ = 19344000.

The previous prime is 42847153. The next prime is 42847159. The reversal of 42847156 is 65174824.

It is an interprime number because it is at equal distance from previous prime (42847153) and next prime (42847159).

It is a nialpdrome in base 9.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42847153) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3420 + ... + 9868.

It is an arithmetic number, because the mean of its divisors is an integer number (3431400).

Almost surely, 2^42847156 is an apocalyptic number.

It is an amenable number.

42847156 is a deficient number, since it is larger than the sum of its proper divisors (39506444).

42847156 is a wasteful number, since it uses less digits than its factorization.

42847156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6615 (or 6613 counting only the distinct ones).

The product of its digits is 53760, while the sum is 37.

The square root of 42847156 is about 6545.7739038253. The cubic root of 42847156 is about 349.9242176063.

The spelling of 42847156 in words is "forty-two million, eight hundred forty-seven thousand, one hundred fifty-six".