146424231 has 12 divisors (see below), whose sum is σ = 211634280. Its totient is φ = 97554960.

The previous prime is 146424197. The next prime is 146424251. The reversal of 146424231 is 132424641.

It is a happy number.

146424231 is a `hidden beast` number, since 1 + 4 + 6 + 424 + 231 = 666.

It is not a de Polignac number, because 146424231 - 2⁶ = 146424167 is a prime.

It is a super-2 number, since 2×146424231² = 42880110847882722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 146424195 and 146424204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146424251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13701 + ... + 21921.

It is an arithmetic number, because the mean of its divisors is an integer number (17636190).

Almost surely, 2^146424231 is an apocalyptic number.

146424231 is a deficient number, since it is larger than the sum of its proper divisors (65210049).

146424231 is a wasteful number, since it uses less digits than its factorization.

146424231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10206 (or 10203 counting only the distinct ones).

The product of its digits is 4608, while the sum is 27.

The square root of 146424231 is about 12100.5880435622. The cubic root of 146424231 is about 527.0732602816.

Adding to 146424231 its reverse (132424641), we get a palindrome (278848872).

The spelling of 146424231 in words is "one hundred forty-six million, four hundred twenty-four thousand, two hundred thirty-one".