42813147 has 16 divisors (see below), whose sum is σ = 61634048. Its totient is φ = 26278560.

The previous prime is 42813049. The next prime is 42813151. The reversal of 42813147 is 74131824.

It is not a de Polignac number, because 42813147 - 2¹² = 42809051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42813187) 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, 16872 + ... + 19242.

It is an arithmetic number, because the mean of its divisors is an integer number (3852128).

Almost surely, 2^42813147 is an apocalyptic number.

42813147 is a deficient number, since it is larger than the sum of its proper divisors (18820901).

42813147 is a wasteful number, since it uses less digits than its factorization.

42813147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2850.

The product of its digits is 5376, while the sum is 30.

The square root of 42813147 is about 6543.1756051630. The cubic root of 42813147 is about 349.8316115166.

The spelling of 42813147 in words is "forty-two million, eight hundred thirteen thousand, one hundred forty-seven".