144071146 has 4 divisors (see below), whose sum is σ = 216106722. Its totient is φ = 72035572.

The previous prime is 144071143. The next prime is 144071183. The reversal of 144071146 is 641170441.

144071146 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 641170441 = 739 ⋅867619.

It can be written as a sum of positive squares in only one way, i.e., 127351225 + 16719921 = 11285^2 + 4089^2 .

It is not an unprimeable number, because it can be changed into a prime (144071143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36017785 + ... + 36017788.

Almost surely, 2^144071146 is an apocalyptic number.

144071146 is a deficient number, since it is larger than the sum of its proper divisors (72035576).

144071146 is an equidigital number, since it uses as much as digits as its factorization.

144071146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72035575.

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 144071146 is about 12002.9640506002. The cubic root of 144071146 is about 524.2345865123.

The spelling of 144071146 in words is "one hundred forty-four million, seventy-one thousand, one hundred forty-six".