146442242 has 16 divisors (see below), whose sum is σ = 234807552. Its totient is φ = 68328480.

The previous prime is 146442217. The next prime is 146442281. The reversal of 146442242 is 242244641.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36938 + ... + 40709.

It is an arithmetic number, because the mean of its divisors is an integer number (14675472).

Almost surely, 2^146442242 is an apocalyptic number.

146442242 is a deficient number, since it is larger than the sum of its proper divisors (88365310).

146442242 is a wasteful number, since it uses less digits than its factorization.

146442242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77713.

The product of its digits is 12288, while the sum is 29.

The square root of 146442242 is about 12101.3322407080. The cubic root of 146442242 is about 527.0948703827.

Adding to 146442242 its reverse (242244641), we get a palindrome (388686883).

The spelling of 146442242 in words is "one hundred forty-six million, four hundred forty-two thousand, two hundred forty-two".