146143202 has 4 divisors (see below), whose sum is σ = 219214806. Its totient is φ = 73071600.

The previous prime is 146143189. The next prime is 146143211. The reversal of 146143202 is 202341641.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 202341641 = 37 ⋅5468693.

It can be written as a sum of positive squares in only one way, i.e., 135047641 + 11095561 = 11621^2 + 3331^2 .

It is an unprimeable number.

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, 36535799 + ... + 36535802.

Almost surely, 2^146143202 is an apocalyptic number.

146143202 is a deficient number, since it is larger than the sum of its proper divisors (73071604).

146143202 is an equidigital number, since it uses as much as digits as its factorization.

146143202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73071603.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 146143202 is about 12088.9702621853. The cubic root of 146143202 is about 526.7358440528.

Adding to 146143202 its reverse (202341641), we get a palindrome (348484843).

The spelling of 146143202 in words is "one hundred forty-six million, one hundred forty-three thousand, two hundred two".