146346393 has 4 divisors (see below), whose sum is σ = 195128528. Its totient is φ = 97564260.

The previous prime is 146346377. The next prime is 146346397. The reversal of 146346393 is 393643641.

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, and also an emirpimes, since its reverse is a distinct semiprime: 393643641 = 3 ⋅131214547.

It is not a de Polignac number, because 146346393 - 2⁴ = 146346377 is a prime.

It is a super-2 number, since 2×146346393² = 42834533488220898, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (146346397) 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, 24391063 + ... + 24391068.

It is an arithmetic number, because the mean of its divisors is an integer number (48782132).

Almost surely, 2^146346393 is an apocalyptic number.

It is an amenable number.

146346393 is a deficient number, since it is larger than the sum of its proper divisors (48782135).

146346393 is an equidigital number, since it uses as much as digits as its factorization.

146346393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48782134.

The product of its digits is 139968, while the sum is 39.

The square root of 146346393 is about 12097.3713260361. The cubic root of 146346393 is about 526.9798476908.

The spelling of 146346393 in words is "one hundred forty-six million, three hundred forty-six thousand, three hundred ninety-three".