86144090 has 8 divisors (see below), whose sum is σ = 155059380. Its totient is φ = 34457632.

The previous prime is 86144077. The next prime is 86144099. The reversal of 86144090 is 9044168.

It can be written as a sum of positive squares in 2 ways, for example, as 85026841 + 1117249 = 9221^2 + 1057^2 .

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

It is not an unprimeable number, because it can be changed into a prime (86144099) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4307195 + ... + 4307214.

Almost surely, 2^86144090 is an apocalyptic number.

86144090 is a deficient number, since it is larger than the sum of its proper divisors (68915290).

86144090 is a wasteful number, since it uses less digits than its factorization.

86144090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8614416.

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 86144090 is about 9281.3840562709. The cubic root of 86144090 is about 441.6468757399.

The spelling of 86144090 in words is "eighty-six million, one hundred forty-four thousand, ninety".