146433 has 16 divisors (see below), whose sum is σ = 235520. Its totient is φ = 79056.

The previous prime is 146423. The next prime is 146437. The reversal of 146433 is 334641.

It is not a de Polignac number, because 146433 - 2⁴ = 146417 is a prime.

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

It is a Duffinian number.

It is a Curzon number.

146433 is a lucky number.

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 polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 216 + ... + 582.

It is an arithmetic number, because the mean of its divisors is an integer number (14720).

It is a Proth number, since it is equal to 143 ⋅ 2¹⁰ + 1 and 143 < 2¹⁰.

2¹⁴⁶⁴³³ is an apocalyptic number.

It is an amenable number.

146433 is a deficient number, since it is larger than the sum of its proper divisors (89087).

146433 is a wasteful number, since it uses less digits than its factorization.

146433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 396.

The product of its digits is 864, while the sum is 21.

The square root of 146433 is about 382.6656504052. The cubic root of 146433 is about 52.7083781794.

The spelling of 146433 in words is "one hundred forty-six thousand, four hundred thirty-three".