86140145 has 24 divisors (see below), whose sum is σ = 127930176. Its totient is φ = 54520128.

The previous prime is 86140133. The next prime is 86140151. The reversal of 86140145 is 54104168.

It is not a de Polignac number, because 86140145 - 2¹⁰ = 86139121 is a prime.

It is a Duffinian number.

It is a Curzon 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, 1367 + ... + 13196.

It is an arithmetic number, because the mean of its divisors is an integer number (5330424).

Almost surely, 2^86140145 is an apocalyptic number.

It is an amenable number.

86140145 is a deficient number, since it is larger than the sum of its proper divisors (41790031).

86140145 is a wasteful number, since it uses less digits than its factorization.

86140145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14601 (or 14588 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 29.

The square root of 86140145 is about 9281.1715316548. The cubic root of 86140145 is about 441.6401338438.

The spelling of 86140145 in words is "eighty-six million, one hundred forty thousand, one hundred forty-five".