84068145 has 64 divisors (see below), whose sum is σ = 180887040. Its totient is φ = 36163584.

The previous prime is 84068143. The next prime is 84068161. The reversal of 84068145 is 54186048.

It is not a de Polignac number, because 84068145 - 2¹ = 84068143 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84068143) by changing a digit.

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 63 ways as a sum of consecutive naturals, for example, 13449 + ... + 18681.

It is an arithmetic number, because the mean of its divisors is an integer number (2826360).

Almost surely, 2^84068145 is an apocalyptic number.

84068145 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

It is an amenable number.

84068145 is an abundant number, since it is smaller than the sum of its proper divisors (96818895).

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

84068145 is a wasteful number, since it uses less digits than its factorization.

84068145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5271 (or 5265 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 36.

The square root of 84068145 is about 9168.8682507712. The cubic root of 84068145 is about 438.0703114746.

The spelling of 84068145 in words is "eighty-four million, sixty-eight thousand, one hundred forty-five".