84054145 has 8 divisors (see below), whose sum is σ = 115274304. Its totient is φ = 57637104.

The previous prime is 84054133. The next prime is 84054169. The reversal of 84054145 is 54145048.

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

It is not a de Polignac number, because 84054145 - 2⁹ = 84053633 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1200739 + ... + 1200808.

It is an arithmetic number, because the mean of its divisors is an integer number (14409288).

Almost surely, 2^84054145 is an apocalyptic number.

It is an amenable number.

84054145 is a deficient number, since it is larger than the sum of its proper divisors (31220159).

84054145 is a wasteful number, since it uses less digits than its factorization.

84054145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2401559.

The product of its (nonzero) digits is 12800, while the sum is 31.

The square root of 84054145 is about 9168.1047659808. The cubic root of 84054145 is about 438.0459926127.

The spelling of 84054145 in words is "eighty-four million, fifty-four thousand, one hundred forty-five".