146247 has 12 divisors (see below), whose sum is σ = 206760. Its totient is φ = 91840.

The previous prime is 146239. The next prime is 146249. The reversal of 146247 is 742641.

It is not a de Polignac number, because 146247 - 2³ = 146239 is a prime.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors.

146247 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146249) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3547 + ... + 3587.

It is an arithmetic number, because the mean of its divisors is an integer number (17230).

2¹⁴⁶²⁴⁷ is an apocalyptic number.

146247 is a deficient number, since it is larger than the sum of its proper divisors (60513).

146247 is an equidigital number, since it uses as much as digits as its factorization.

146247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114 (or 73 counting only the distinct ones).

The product of its digits is 1344, while the sum is 24.

The square root of 146247 is about 382.4225411766. The cubic root of 146247 is about 52.6860519000.

Adding to 146247 its reverse (742641), we get a palindrome (888888).

It can be divided in two parts, 146 and 247, that added together give a palindrome (393).

The spelling of 146247 in words is "one hundred forty-six thousand, two hundred forty-seven".