86154005 has 18 divisors (see below), whose sum is σ = 120467106. Its totient is φ = 58977408.

The previous prime is 86154001. The next prime is 86154017. The reversal of 86154005 is 50045168.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 15476356 + 70677649 = 3934^2 + 8407^2 .

It is not a de Polignac number, because 86154005 - 2² = 86154001 is a prime.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86154001) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 144989 + ... + 145581.

It is an arithmetic number, because the mean of its divisors is an integer number (6692617).

Almost surely, 2^86154005 is an apocalyptic number.

It is an amenable number.

86154005 is a deficient number, since it is larger than the sum of its proper divisors (34313101).

86154005 is an frugal number, since it uses more digits than its factorization.

86154005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1205 (or 605 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 29.

The square root of 86154005 is about 9281.9181746016. The cubic root of 86154005 is about 441.6638192926.

The spelling of 86154005 in words is "eighty-six million, one hundred fifty-four thousand, five".