84155148 has 108 divisors (see below), whose sum is σ = 270014472. Its totient is φ = 21853440.

The previous prime is 84155143. The next prime is 84155209.

84155148 is nontrivially palindromic in base 10.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (84155143) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 17236 + ... + 21572.

It is an arithmetic number, because the mean of its divisors is an integer number (2500134).

Almost surely, 2^84155148 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 84155148, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (135007236).

84155148 is an abundant number, since it is smaller than the sum of its proper divisors (185859324).

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

84155148 is a wasteful number, since it uses less digits than its factorization.

84155148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4372 (or 4360 counting only the distinct ones).

The product of its digits is 25600, while the sum is 36.

The square root of 84155148 is about 9173.6115025654. The cubic root of 84155148 is about 438.2213805503.

The spelling of 84155148 in words is "eighty-four million, one hundred fifty-five thousand, one hundred forty-eight".