144731697038 has 32 divisors (see below), whose sum is σ = 221084833536. Its totient is φ = 71048452608.

The previous prime is 144731697037. The next prime is 144731697083. The reversal of 144731697038 is 830796137441.

It is a happy number.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144731697037) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41743781 + ... + 41747247.

It is an arithmetic number, because the mean of its divisors is an integer number (6908901048).

Almost surely, 2^144731697038 is an apocalyptic number.

144731697038 is a deficient number, since it is larger than the sum of its proper divisors (76353136498).

144731697038 is a wasteful number, since it uses less digits than its factorization.

144731697038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5048.

The product of its (nonzero) digits is 3048192, while the sum is 53.

The spelling of 144731697038 in words is "one hundred forty-four billion, seven hundred thirty-one million, six hundred ninety-seven thousand, thirty-eight".