146693 has 4 divisors (see below), whose sum is σ = 155340. Its totient is φ = 138048.

The previous prime is 146683. The next prime is 146701. The reversal of 146693 is 396641.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 396641 = 7 ⋅56663.

It can be written as a sum of positive squares in 2 ways, for example, as 113569 + 33124 = 337^2 + 182^2 .

It is a cyclic number.

It is not a de Polignac number, because 146693 - 2⁴ = 146677 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146603) 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, 4298 + ... + 4331.

It is an arithmetic number, because the mean of its divisors is an integer number (38835).

2¹⁴⁶⁶⁹³ is an apocalyptic number.

It is an amenable number.

146693 is a deficient number, since it is larger than the sum of its proper divisors (8647).

146693 is an equidigital number, since it uses as much as digits as its factorization.

146693 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8646.

The product of its digits is 3888, while the sum is 29.

The square root of 146693 is about 383.0052218965. The cubic root of 146693 is about 52.7395552945.

The spelling of 146693 in words is "one hundred forty-six thousand, six hundred ninety-three".