146644197 has 8 divisors (see below), whose sum is σ = 223457856. Its totient is φ = 83796672.

The previous prime is 146644187. The next prime is 146644207. The reversal of 146644197 is 791446641.

It is an interprime number because it is at equal distance from previous prime (146644187) and next prime (146644207).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 146644197 - 2⁶ = 146644133 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146644187) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3491508 + ... + 3491549.

It is an arithmetic number, because the mean of its divisors is an integer number (27932232).

Almost surely, 2^146644197 is an apocalyptic number.

It is an amenable number.

146644197 is a deficient number, since it is larger than the sum of its proper divisors (76813659).

146644197 is an equidigital number, since it uses as much as digits as its factorization.

146644197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6983067.

The product of its digits is 145152, while the sum is 42.

The square root of 146644197 is about 12109.6736950258. The cubic root of 146644197 is about 527.3370604015.

The spelling of 146644197 in words is "one hundred forty-six million, six hundred forty-four thousand, one hundred ninety-seven".