146281043 has 4 divisors (see below), whose sum is σ = 146864088. Its totient is φ = 145698000.

The previous prime is 146280997. The next prime is 146281117. The reversal of 146281043 is 340182641.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 340182641 = 17123 ⋅19867.

It is a cyclic number.

It is not a de Polignac number, because 146281043 - 2⁸ = 146280787 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 146280997 and 146281015.

It is not an unprimeable number, because it can be changed into a prime (143281043) 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 3 ways as a sum of consecutive naturals, for example, 291146 + ... + 291647.

It is an arithmetic number, because the mean of its divisors is an integer number (36716022).

Almost surely, 2^146281043 is an apocalyptic number.

146281043 is a deficient number, since it is larger than the sum of its proper divisors (583045).

146281043 is an equidigital number, since it uses as much as digits as its factorization.

146281043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 583044.

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 146281043 is about 12094.6700244364. The cubic root of 146281043 is about 526.9013962404.

The spelling of 146281043 in words is "one hundred forty-six million, two hundred eighty-one thousand, forty-three".