146870165 has 16 divisors (see below), whose sum is σ = 191198448. Its totient is φ = 107659776.

The previous prime is 146870147. The next prime is 146870177. The reversal of 146870165 is 561078641.

It can be written as a sum of positive squares in 8 ways, for example, as 37834801 + 109035364 = 6151^2 + 10442^2 .

It is a cyclic number.

It is not a de Polignac number, because 146870165 - 2¹⁰ = 146869141 is a prime.

It is a super-3 number, since 3×146870165³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 659 + ... + 17151.

It is an arithmetic number, because the mean of its divisors is an integer number (11949903).

Almost surely, 2^146870165 is an apocalyptic number.

It is an amenable number.

146870165 is a deficient number, since it is larger than the sum of its proper divisors (44328283).

146870165 is a wasteful number, since it uses less digits than its factorization.

146870165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16648.

The product of its (nonzero) digits is 40320, while the sum is 38.

The square root of 146870165 is about 12119.0001650301. Note that the first 3 decimals coincide. The cubic root of 146870165 is about 527.6077840291.

The spelling of 146870165 in words is "one hundred forty-six million, eight hundred seventy thousand, one hundred sixty-five".