144135764 has 6 divisors (see below), whose sum is σ = 252237594. Its totient is φ = 72067880.

The previous prime is 144135731. The next prime is 144135811. The reversal of 144135764 is 467531441.

144135764 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 73239364 + 70896400 = 8558^2 + 8420^2 .

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 18016967 + ... + 18016974.

It is an arithmetic number, because the mean of its divisors is an integer number (42039599).

Almost surely, 2^144135764 is an apocalyptic number.

It is an amenable number.

144135764 is a deficient number, since it is larger than the sum of its proper divisors (108101830).

144135764 is a wasteful number, since it uses less digits than its factorization.

144135764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36033945 (or 36033943 counting only the distinct ones).

The product of its digits is 40320, while the sum is 35.

The square root of 144135764 is about 12005.6555006380. The cubic root of 144135764 is about 524.3129504046.

The spelling of 144135764 in words is "one hundred forty-four million, one hundred thirty-five thousand, seven hundred sixty-four".