144019146 has 16 divisors (see below), whose sum is σ = 300561984. Its totient is φ = 45919104.

The previous prime is 144019091. The next prime is 144019147. The reversal of 144019146 is 641910441.

It is not an unprimeable number, because it can be changed into a prime (144019147) 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 7 ways as a sum of consecutive naturals, for example, 521671 + ... + 521946.

It is an arithmetic number, because the mean of its divisors is an integer number (18785124).

Almost surely, 2^144019146 is an apocalyptic number.

144019146 is an abundant number, since it is smaller than the sum of its proper divisors (156542838).

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

144019146 is a wasteful number, since it uses less digits than its factorization.

144019146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1043645.

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 144019146 is about 12000.7977234849. The cubic root of 144019146 is about 524.1715077728.

Adding to 144019146 its reverse (641910441), we get a palindrome (785929587).

The spelling of 144019146 in words is "one hundred forty-four million, nineteen thousand, one hundred forty-six".