146441 has 4 divisors (see below), whose sum is σ = 152832. Its totient is φ = 140052.

The previous prime is 146437. The next prime is 146449. The reversal of 146441 is 144641.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 144641 = 7 ⋅20663.

It is a cyclic number.

It is not a de Polignac number, because 146441 - 2² = 146437 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (146449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3161 + ... + 3206.

It is an arithmetic number, because the mean of its divisors is an integer number (38208).

2¹⁴⁶⁴⁴¹ is an apocalyptic number.

It is an amenable number.

146441 is a deficient number, since it is larger than the sum of its proper divisors (6391).

146441 is an equidigital number, since it uses as much as digits as its factorization.

146441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6390.

The product of its digits is 384, while the sum is 20.

The square root of 146441 is about 382.6761032518. The cubic root of 146441 is about 52.7093380253.

The spelling of 146441 in words is "one hundred forty-six thousand, four hundred forty-one".