146345663 has 4 divisors (see below), whose sum is σ = 146435328. Its totient is φ = 146256000.

The previous prime is 146345659. The next prime is 146345671. The reversal of 146345663 is 366543641.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 366543641 = 4813 ⋅76157.

It is a cyclic number.

It is not a de Polignac number, because 146345663 - 2² = 146345659 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146345603) 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, 42338 + ... + 45663.

It is an arithmetic number, because the mean of its divisors is an integer number (36608832).

Almost surely, 2^146345663 is an apocalyptic number.

146345663 is a deficient number, since it is larger than the sum of its proper divisors (89665).

146345663 is an equidigital number, since it uses as much as digits as its factorization.

146345663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89664.

The product of its digits is 155520, while the sum is 38.

The square root of 146345663 is about 12097.3411541545. The cubic root of 146345663 is about 526.9789714685.

The spelling of 146345663 in words is "one hundred forty-six million, three hundred forty-five thousand, six hundred sixty-three".