84829145 has 4 divisors (see below), whose sum is σ = 101794980. Its totient is φ = 67863312.

The previous prime is 84829117. The next prime is 84829163. The reversal of 84829145 is 54192848.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 60543961 + 24285184 = 7781^2 + 4928^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-84829145 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8482910 + ... + 8482919.

It is an arithmetic number, because the mean of its divisors is an integer number (25448745).

Almost surely, 2^84829145 is an apocalyptic number.

It is an amenable number.

84829145 is a deficient number, since it is larger than the sum of its proper divisors (16965835).

84829145 is a wasteful number, since it uses less digits than its factorization.

84829145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16965834.

The product of its digits is 92160, while the sum is 41.

The square root of 84829145 is about 9210.2738830070. The cubic root of 84829145 is about 439.3881734006.

The spelling of 84829145 in words is "eighty-four million, eight hundred twenty-nine thousand, one hundred forty-five".