42834645 has 96 divisors (see below), whose sum is σ = 94798080. Its totient is φ = 17418240.

The previous prime is 42834643. The next prime is 42834647. The reversal of 42834645 is 54643824.

42834645 is a `hidden beast` number, since 4 + 2 + 8 + 3 + 4 + 645 = 666.

It is an interprime number because it is at equal distance from previous prime (42834643) and next prime (42834647).

It is not a de Polignac number, because 42834645 - 2¹ = 42834643 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42834643) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 101535 + ... + 101955.

It is an arithmetic number, because the mean of its divisors is an integer number (987480).

Almost surely, 2^42834645 is an apocalyptic number.

42834645 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

42834645 is an abundant number, since it is smaller than the sum of its proper divisors (51963435).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42834645 is a wasteful number, since it uses less digits than its factorization.

42834645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 475 (or 472 counting only the distinct ones).

The product of its digits is 92160, while the sum is 36.

The square root of 42834645 is about 6544.8181792927. The cubic root of 42834645 is about 349.8901560064.

The spelling of 42834645 in words is "forty-two million, eight hundred thirty-four thousand, six hundred forty-five".