146142133 has 2 divisors, whose sum is σ = 146142134. Its totient is φ = 146142132.

The previous prime is 146142103. The next prime is 146142169. The reversal of 146142133 is 331241641.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 145371249 + 770884 = 12057^2 + 878^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-146142133 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 146142098 and 146142107.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (146142103) 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 as a sum of consecutive naturals, namely, 73071066 + 73071067.

It is an arithmetic number, because the mean of its divisors is an integer number (73071067).

Almost surely, 2^146142133 is an apocalyptic number.

It is an amenable number.

146142133 is a deficient number, since it is larger than the sum of its proper divisors (1).

146142133 is an equidigital number, since it uses as much as digits as its factorization.

146142133 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1728, while the sum is 25.

The square root of 146142133 is about 12088.9260482476. The cubic root of 146142133 is about 526.7345597372.

Adding to 146142133 its reverse (331241641), we get a palindrome (477383774).

The spelling of 146142133 in words is "one hundred forty-six million, one hundred forty-two thousand, one hundred thirty-three".