146244 has 24 divisors (see below), whose sum is σ = 390208. Its totient is φ = 41760.

The previous prime is 146239. The next prime is 146249. The reversal of 146244 is 442641.

It is an interprime number because it is at equal distance from previous prime (146239) and next prime (146249).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a nude number because it is divisible by every one of its digits.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 146244.

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

146244 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 787 + ... + 954.

2¹⁴⁶²⁴⁴ is an apocalyptic number.

146244 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

146244 is an abundant number, since it is smaller than the sum of its proper divisors (243964).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

146244 is a wasteful number, since it uses less digits than its factorization.

146244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1755 (or 1753 counting only the distinct ones).

The product of its digits is 768, while the sum is 21.

The square root of 146244 is about 382.4186187936. The cubic root of 146244 is about 52.6856916437.

Adding to 146244 its reverse (442641), we get a palindrome (588885).

The spelling of 146244 in words is "one hundred forty-six thousand, two hundred forty-four".