146197985 has 8 divisors (see below), whose sum is σ = 175806720. Its totient is φ = 116712304.

The previous prime is 146197981. The next prime is 146197999. The reversal of 146197985 is 589791641.

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

It is a cyclic number.

It is not a de Polignac number, because 146197985 - 2² = 146197981 is a prime.

It is not an unprimeable number, because it can be changed into a prime (146197981) 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, 28127 + ... + 32916.

It is an arithmetic number, because the mean of its divisors is an integer number (21975840).

Almost surely, 2^146197985 is an apocalyptic number.

It is an amenable number.

146197985 is a deficient number, since it is larger than the sum of its proper divisors (29608735).

146197985 is an equidigital number, since it uses as much as digits as its factorization.

146197985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61527.

The product of its digits is 544320, while the sum is 50.

The square root of 146197985 is about 12091.2358756250. The cubic root of 146197985 is about 526.8016529408.

The spelling of 146197985 in words is "one hundred forty-six million, one hundred ninety-seven thousand, nine hundred eighty-five".