146443146 has 32 divisors (see below), whose sum is σ = 309096000. Its totient is φ = 46126080.

The previous prime is 146443097. The next prime is 146443147. The reversal of 146443146 is 641344641.

It is a nialpdrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (146443147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49756 + ... + 52616.

It is an arithmetic number, because the mean of its divisors is an integer number (9659250).

Almost surely, 2^146443146 is an apocalyptic number.

146443146 is an abundant number, since it is smaller than the sum of its proper divisors (162652854).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

146443146 is a wasteful number, since it uses less digits than its factorization.

146443146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3334.

The product of its digits is 27648, while the sum is 33.

The square root of 146443146 is about 12101.3695919098. The cubic root of 146443146 is about 527.0959549804.

Adding to 146443146 its reverse (641344641), we get a palindrome (787787787).

The spelling of 146443146 in words is "one hundred forty-six million, four hundred forty-three thousand, one hundred forty-six".