146601247 has 6 divisors (see below), whose sum is σ = 158745912. Its totient is φ = 135324072.

The previous prime is 146601223. The next prime is 146601277. The reversal of 146601247 is 742106641.

It is not a de Polignac number, because 146601247 - 2¹¹ = 146599199 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146601277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 433563 + ... + 433900.

It is an arithmetic number, because the mean of its divisors is an integer number (26457652).

Almost surely, 2^146601247 is an apocalyptic number.

146601247 is a deficient number, since it is larger than the sum of its proper divisors (12144665).

146601247 is an equidigital number, since it uses as much as digits as its factorization.

146601247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 867489 (or 867476 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 146601247 is about 12107.9001895457. The cubic root of 146601247 is about 527.2855721991.

Adding to 146601247 its reverse (742106641), we get a palindrome (888707888).

The spelling of 146601247 in words is "one hundred forty-six million, six hundred one thousand, two hundred forty-seven".