146101231 has 4 divisors (see below), whose sum is σ = 148857912. Its totient is φ = 143344552.

The previous prime is 146101211. The next prime is 146101259. The reversal of 146101231 is 132101641.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 146101231 - 2⁹ = 146100719 is a prime.

It is a super-2 number, since 2×146101231² = 42691139399430722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 146101199 and 146101208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146101211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1378261 + ... + 1378366.

It is an arithmetic number, because the mean of its divisors is an integer number (37214478).

Almost surely, 2^146101231 is an apocalyptic number.

146101231 is a deficient number, since it is larger than the sum of its proper divisors (2756681).

146101231 is an equidigital number, since it uses as much as digits as its factorization.

146101231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2756680.

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 146101231 is about 12087.2342163127. The cubic root of 146101231 is about 526.6854146418.

Adding to 146101231 its reverse (132101641), we get a palindrome (278202872).

The spelling of 146101231 in words is "one hundred forty-six million, one hundred one thousand, two hundred thirty-one".