86281545 has 32 divisors (see below), whose sum is σ = 167056128. Its totient is φ = 37122048.

The previous prime is 86281529. The next prime is 86281549. The reversal of 86281545 is 54518268.

It is not a de Polignac number, because 86281545 - 2⁴ = 86281529 is a prime.

It is not an unprimeable number, because it can be changed into a prime (86281549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22384 + ... + 25953.

It is an arithmetic number, because the mean of its divisors is an integer number (5220504).

Almost surely, 2^86281545 is an apocalyptic number.

86281545 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

It is an amenable number.

86281545 is a deficient number, since it is larger than the sum of its proper divisors (80774583).

86281545 is a wasteful number, since it uses less digits than its factorization.

86281545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48369.

The product of its digits is 76800, while the sum is 39.

The square root of 86281545 is about 9288.7859809557. The cubic root of 86281545 is about 441.8816541260.

The spelling of 86281545 in words is "eighty-six million, two hundred eighty-one thousand, five hundred forty-five".