146666685 has 32 divisors (see below), whose sum is σ = 259840512. Its totient is φ = 70044480.

The previous prime is 146666677. The next prime is 146666687. The reversal of 146666685 is 586666641.

It is not a de Polignac number, because 146666685 - 2³ = 146666677 is a prime.

It is a super-2 number, since 2×146666685² = 43022232977778450, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146666687) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4422 + ... + 17688.

It is an arithmetic number, because the mean of its divisors is an integer number (8120016).

Almost surely, 2^146666685 is an apocalyptic number.

146666685 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

146666685 is a deficient number, since it is larger than the sum of its proper divisors (113173827).

146666685 is a wasteful number, since it uses less digits than its factorization.

146666685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13353.

The product of its digits is 1244160, while the sum is 48.

The square root of 146666685 is about 12110.6021733025. The cubic root of 146666685 is about 527.3640148712.

The spelling of 146666685 in words is "one hundred forty-six million, six hundred sixty-six thousand, six hundred eighty-five".