86142044 has 12 divisors (see below), whose sum is σ = 152814144. Its totient is φ = 42480864.

The previous prime is 86142041. The next prime is 86142059. The reversal of 86142044 is 44024168.

It is a junction number, because it is equal to n+sod(n) for n = 86141998 and 86142016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86142041) 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, 147212 + ... + 147795.

It is an arithmetic number, because the mean of its divisors is an integer number (12734512).

Almost surely, 2^86142044 is an apocalyptic number.

It is an amenable number.

86142044 is a deficient number, since it is larger than the sum of its proper divisors (66672100).

86142044 is a wasteful number, since it uses less digits than its factorization.

86142044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 295084 (or 295082 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 29.

The square root of 86142044 is about 9281.2738349862. The cubic root of 86142044 is about 441.6433792081.

The spelling of 86142044 in words is "eighty-six million, one hundred forty-two thousand, forty-four".