144809138091272 has 16 divisors (see below), whose sum is σ = 271517618262060. Its totient is φ = 72404439888064.

The previous prime is 144809138091271. The next prime is 144809138091287. The reversal of 144809138091272 is 272190831908441.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 127656237832036 + 17152900259236 = 11298506^2 + 4141606^2 .

It is not an unprimeable number, because it can be changed into a prime (144809138091271) 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, 11293943 + ... + 20424774.

Almost surely, 2^{144809138091272} is an apocalyptic number.

It is an amenable number.

144809138091272 is a deficient number, since it is larger than the sum of its proper divisors (126708480170788).

144809138091272 is a wasteful number, since it uses less digits than its factorization.

144809138091272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32289400 (or 32289396 counting only the distinct ones).

The product of its (nonzero) digits is 6967296, while the sum is 59.

The spelling of 144809138091272 in words is "one hundred forty-four trillion, eight hundred nine billion, one hundred thirty-eight million, ninety-one thousand, two hundred seventy-two".