146438 has 16 divisors (see below), whose sum is σ = 239760. Its totient is φ = 66816.

The previous prime is 146437. The next prime is 146449. The reversal of 146438 is 834641.

146438 is a modest number, since divided by 438 gives 146 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146437) 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 7 ways as a sum of consecutive naturals, for example, 1970 + ... + 2042.

It is an arithmetic number, because the mean of its divisors is an integer number (14985).

2¹⁴⁶⁴³⁸ is an apocalyptic number.

146438 is a deficient number, since it is larger than the sum of its proper divisors (93322).

146438 is a wasteful number, since it uses less digits than its factorization.

146438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151.

The product of its digits is 2304, while the sum is 26.

The square root of 146438 is about 382.6721834678. The cubic root of 146438 is about 52.7089780872.

The spelling of 146438 in words is "one hundred forty-six thousand, four hundred thirty-eight".