146834231 has 8 divisors (see below), whose sum is σ = 153653760. Its totient is φ = 140051032.

The previous prime is 146834183. The next prime is 146834239. The reversal of 146834231 is 132438641.

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

It is a cyclic number.

It is not a de Polignac number, because 146834231 - 2¹⁸ = 146572087 is a prime.

It is a super-2 number, since 2×146834231² = 43120582786722722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146834239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 635 + ... + 17148.

It is an arithmetic number, because the mean of its divisors is an integer number (19206720).

Almost surely, 2^146834231 is an apocalyptic number.

146834231 is a deficient number, since it is larger than the sum of its proper divisors (6819529).

146834231 is a wasteful number, since it uses less digits than its factorization.

146834231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18165.

The product of its digits is 13824, while the sum is 32.

The square root of 146834231 is about 12117.5175262923. The cubic root of 146834231 is about 527.5647514533.

The spelling of 146834231 in words is "one hundred forty-six million, eight hundred thirty-four thousand, two hundred thirty-one".