146397 has 4 divisors (see below), whose sum is σ = 195200. Its totient is φ = 97596.

The previous prime is 146389. The next prime is 146407. The reversal of 146397 is 793641.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 146397 - 2³ = 146389 is a prime.

It is a D-number.

It is a Duffinian number.

146397 is a lucky number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146317) 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, 24397 + ... + 24402.

It is an arithmetic number, because the mean of its divisors is an integer number (48800).

2¹⁴⁶³⁹⁷ is an apocalyptic number.

It is an amenable number.

146397 is a deficient number, since it is larger than the sum of its proper divisors (48803).

146397 is an equidigital number, since it uses as much as digits as its factorization.

146397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48802.

The product of its digits is 4536, while the sum is 30.

The square root of 146397 is about 382.6186090613. The cubic root of 146397 is about 52.7040584402.

The spelling of 146397 in words is "one hundred forty-six thousand, three hundred ninety-seven".