146844497 has 8 divisors (see below), whose sum is σ = 150355200. Its totient is φ = 143349984.

The previous prime is 146844479. The next prime is 146844557. The reversal of 146844497 is 794448641.

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 146844497 - 2¹² = 146840401 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (146844457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15404 + ... + 23042.

It is an arithmetic number, because the mean of its divisors is an integer number (18794400).

Almost surely, 2^146844497 is an apocalyptic number.

It is an amenable number.

146844497 is a deficient number, since it is larger than the sum of its proper divisors (3510703).

146844497 is an equidigital number, since it uses as much as digits as its factorization.

146844497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8095.

The product of its digits is 774144, while the sum is 47.

The square root of 146844497 is about 12117.9411205039. The cubic root of 146844497 is about 527.5770461648.

The spelling of 146844497 in words is "one hundred forty-six million, eight hundred forty-four thousand, four hundred ninety-seven".