145958685666 has 8 divisors (see below), whose sum is σ = 291917371344. Its totient is φ = 48652895220.

The previous prime is 145958685611. The next prime is 145958685781. The reversal of 145958685666 is 666586859541.

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

145958685666 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 145958685666.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12163223800 + ... + 12163223811.

It is an arithmetic number, because the mean of its divisors is an integer number (36489671418).

Almost surely, 2^145958685666 is an apocalyptic number.

145958685666 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

145958685666 is a wasteful number, since it uses less digits than its factorization.

145958685666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24326447616.

The product of its digits is 373248000, while the sum is 69.

The spelling of 145958685666 in words is "one hundred forty-five billion, nine hundred fifty-eight million, six hundred eighty-five thousand, six hundred sixty-six".