146222043 has 32 divisors (see below), whose sum is σ = 226195200. Its totient is φ = 83088000.

The previous prime is 146221997. The next prime is 146222053. The reversal of 146222043 is 340222641.

It is not a de Polignac number, because 146222043 - 2¹² = 146217947 is a prime.

It is not an unprimeable number, because it can be changed into a prime (146222053) 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 31 ways as a sum of consecutive naturals, for example, 62173 + ... + 64481.

It is an arithmetic number, because the mean of its divisors is an integer number (7068600).

Almost surely, 2^146222043 is an apocalyptic number.

146222043 is a deficient number, since it is larger than the sum of its proper divisors (79973157).

146222043 is a wasteful number, since it uses less digits than its factorization.

146222043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2443.

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 146222043 is about 12092.2306875117. The cubic root of 146222043 is about 526.8305477737.

Adding to 146222043 its reverse (340222641), we get a palindrome (486444684).

The spelling of 146222043 in words is "one hundred forty-six million, two hundred twenty-two thousand, forty-three".