301142144 has 16 divisors (see below), whose sum is σ = 599931870. Its totient is φ = 150571008.

The previous prime is 301142141. The next prime is 301142161. The reversal of 301142144 is 441241103.

It can be written as a sum of positive squares in only one way, i.e., 199374400 + 101767744 = 14120^2 + 10088^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is not an unprimeable number, because it can be changed into a prime (301142141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1176209 + ... + 1176464.

Almost surely, 2^301142144 is an apocalyptic number.

It is an amenable number.

301142144 is a deficient number, since it is larger than the sum of its proper divisors (298789726).

301142144 is an equidigital number, since it uses as much as digits as its factorization.

301142144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2352687 (or 2352675 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 301142144 is about 17353.4476113538. The cubic root of 301142144 is about 670.2814173864.

Adding to 301142144 its reverse (441241103), we get a palindrome (742383247).

The spelling of 301142144 in words is "three hundred one million, one hundred forty-two thousand, one hundred forty-four".