146640883 has 4 divisors (see below), whose sum is σ = 147625200. Its totient is φ = 145656568.

The previous prime is 146640869. The next prime is 146640959. The reversal of 146640883 is 388046641.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 388046641 = 17 ⋅22826273.

It is a cyclic number.

It is not a de Polignac number, because 146640883 - 2²⁵ = 113086451 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (146641883) 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, 491935 + ... + 492232.

It is an arithmetic number, because the mean of its divisors is an integer number (36906300).

Almost surely, 2^146640883 is an apocalyptic number.

146640883 is a deficient number, since it is larger than the sum of its proper divisors (984317).

146640883 is an equidigital number, since it uses as much as digits as its factorization.

146640883 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 984316.

The product of its (nonzero) digits is 110592, while the sum is 40.

The square root of 146640883 is about 12109.5368614989. The cubic root of 146640883 is about 527.3330879561. Note that the first 3 decimals are identical.

The spelling of 146640883 in words is "one hundred forty-six million, six hundred forty thousand, eight hundred eighty-three".