84488145 has 32 divisors (see below), whose sum is σ = 156245760. Its totient is φ = 38184960.

The previous prime is 84488123. The next prime is 84488149. The reversal of 84488145 is 54188448.

It is not a de Polignac number, because 84488145 - 2⁷ = 84488017 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 84488097 and 84488106.

It is not an unprimeable number, because it can be changed into a prime (84488149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4825 + ... + 13865.

It is an arithmetic number, because the mean of its divisors is an integer number (4882680).

Almost surely, 2^84488145 is an apocalyptic number.

It is an amenable number.

84488145 is a deficient number, since it is larger than the sum of its proper divisors (71757615).

84488145 is a wasteful number, since it uses less digits than its factorization.

84488145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9145.

The product of its digits is 163840, while the sum is 42.

The square root of 84488145 is about 9191.7433058153. The cubic root of 84488145 is about 438.7986253037.

The spelling of 84488145 in words is "eighty-four million, four hundred eighty-eight thousand, one hundred forty-five".