84162145 has 8 divisors (see below), whose sum is σ = 102900456. Its totient is φ = 66059136.

The previous prime is 84162139. The next prime is 84162151. The reversal of 84162145 is 54126148.

It is an interprime number because it is at equal distance from previous prime (84162139) and next prime (84162151).

It can be written as a sum of positive squares in 4 ways, for example, as 17380561 + 66781584 = 4169^2 + 8172^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 84162145 - 2⁷ = 84162017 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 158532 + ... + 159061.

It is an arithmetic number, because the mean of its divisors is an integer number (12862557).

Almost surely, 2^84162145 is an apocalyptic number.

It is an amenable number.

84162145 is a deficient number, since it is larger than the sum of its proper divisors (18738311).

84162145 is a wasteful number, since it uses less digits than its factorization.

84162145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317651.

The product of its digits is 7680, while the sum is 31.

The square root of 84162145 is about 9173.9928602545. The cubic root of 84162145 is about 438.2335253808.

The spelling of 84162145 in words is "eighty-four million, one hundred sixty-two thousand, one hundred forty-five".