146066287 has 4 divisors (see below), whose sum is σ = 146090736. Its totient is φ = 146041840.

The previous prime is 146066273. The next prime is 146066299. The reversal of 146066287 is 782660641.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-146066287 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146066237) 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, 3363 + ... + 17419.

It is an arithmetic number, because the mean of its divisors is an integer number (36522684).

Almost surely, 2^146066287 is an apocalyptic number.

146066287 is a deficient number, since it is larger than the sum of its proper divisors (24449).

146066287 is a wasteful number, since it uses less digits than its factorization.

146066287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24448.

The product of its (nonzero) digits is 96768, while the sum is 40.

The square root of 146066287 is about 12085.7886379003. The cubic root of 146066287 is about 526.6434210129.

The spelling of 146066287 in words is "one hundred forty-six million, sixty-six thousand, two hundred eighty-seven".