146146247 has 8 divisors (see below), whose sum is σ = 157489920. Its totient is φ = 134817120.

The previous prime is 146146241. The next prime is 146146267. The reversal of 146146247 is 742641641.

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 146146247 - 2¹⁸ = 145884103 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 (146146241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26597 + ... + 31617.

It is an arithmetic number, because the mean of its divisors is an integer number (19686240).

Almost surely, 2^146146247 is an apocalyptic number.

146146247 is a deficient number, since it is larger than the sum of its proper divisors (11343673).

146146247 is a wasteful number, since it uses less digits than its factorization.

146146247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7273.

The product of its digits is 32256, while the sum is 35.

The square root of 146146247 is about 12089.0962027771. The cubic root of 146146247 is about 526.7395023357.

Adding to 146146247 its reverse (742641641), we get a palindrome (888787888).

The spelling of 146146247 in words is "one hundred forty-six million, one hundred forty-six thousand, two hundred forty-seven".