146446 has 8 divisors (see below), whose sum is σ = 225720. Its totient is φ = 71208.

The previous prime is 146437. The next prime is 146449. The reversal of 146446 is 644641.

146446 = 44² + 45² + ... + 80².

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 146446.

It is a congruent number.

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

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 916 + ... + 1063.

It is an arithmetic number, because the mean of its divisors is an integer number (28215).

2¹⁴⁶⁴⁴⁶ is an apocalyptic number.

146446 is a deficient number, since it is larger than the sum of its proper divisors (79274).

146446 is a wasteful number, since it uses less digits than its factorization.

146446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2018.

The product of its digits is 2304, while the sum is 25.

The square root of 146446 is about 382.6826361360. The cubic root of 146446 is about 52.7099379113.

The spelling of 146446 in words is "one hundred forty-six thousand, four hundred forty-six".