145685286 has 12 divisors (see below), whose sum is σ = 315651492. Its totient is φ = 48561756.

The previous prime is 145685279. The next prime is 145685321. The reversal of 145685286 is 682586541.

145685286 is a `hidden beast` number, since 1 + 4 + 568 + 5 + 2 + 86 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4046796 + ... + 4046831.

It is an arithmetic number, because the mean of its divisors is an integer number (26304291).

Almost surely, 2^145685286 is an apocalyptic number.

145685286 is an abundant number, since it is smaller than the sum of its proper divisors (169966206).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

145685286 is a wasteful number, since it uses less digits than its factorization.

145685286 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8093635 (or 8093632 counting only the distinct ones).

The product of its digits is 460800, while the sum is 45.

The square root of 145685286 is about 12070.0159900474. The cubic root of 145685286 is about 526.1851213642.

The spelling of 145685286 in words is "one hundred forty-five million, six hundred eighty-five thousand, two hundred eighty-six".