146456 has 8 divisors (see below), whose sum is σ = 274620. Its totient is φ = 73224.

The previous prime is 146449. The next prime is 146477. The reversal of 146456 is 654641.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

146456 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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 as a sum of consecutive naturals, namely, 9146 + ... + 9161.

2¹⁴⁶⁴⁵⁶ is an apocalyptic number.

It is an amenable number.

146456 is a deficient number, since it is larger than the sum of its proper divisors (128164).

146456 is a wasteful number, since it uses less digits than its factorization.

146456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18313 (or 18309 counting only the distinct ones).

The product of its digits is 2880, while the sum is 26.

The square root of 146456 is about 382.6957015698. The cubic root of 146456 is about 52.7111376422.

The spelling of 146456 in words is "one hundred forty-six thousand, four hundred fifty-six".