144074146 has 8 divisors (see below), whose sum is σ = 223563420. Its totient is φ = 69553008.

The previous prime is 144074141. The next prime is 144074159. The reversal of 144074146 is 641470441.

It can be written as a sum of positive squares in 2 ways, for example, as 126810121 + 17264025 = 11261^2 + 4155^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (144074141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1241961 + ... + 1242076.

Almost surely, 2^144074146 is an apocalyptic number.

144074146 is a deficient number, since it is larger than the sum of its proper divisors (79489274).

144074146 is a wasteful number, since it uses less digits than its factorization.

144074146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2484068.

The product of its (nonzero) digits is 10752, while the sum is 31.

The square root of 144074146 is about 12003.0890190817. The cubic root of 144074146 is about 524.2382252072.

The spelling of 144074146 in words is "one hundred forty-four million, seventy-four thousand, one hundred forty-six".