84148225 has 24 divisors (see below), whose sum is σ = 119778048. Its totient is φ = 57446400.

The previous prime is 84148213. The next prime is 84148231. The reversal of 84148225 is 52284148.

It is not a de Polignac number, because 84148225 - 2¹³ = 84140033 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 44040 + ... + 45910.

It is an arithmetic number, because the mean of its divisors is an integer number (4990752).

It is a Proth number, since it is equal to 321 ⋅ 2¹⁸ + 1 and 321 < 2¹⁸.

Almost surely, 2^84148225 is an apocalyptic number.

It is an amenable number.

84148225 is a deficient number, since it is larger than the sum of its proper divisors (35629823).

84148225 is a wasteful number, since it uses less digits than its factorization.

84148225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2145 (or 2140 counting only the distinct ones).

The product of its digits is 20480, while the sum is 34.

The square root of 84148225 is about 9173.2341624969. The cubic root of 84148225 is about 438.2093635005.

The spelling of 84148225 in words is "eighty-four million, one hundred forty-eight thousand, two hundred twenty-five".