144931965087 has 64 divisors (see below), whose sum is σ = 256579384320. Its totient is φ = 70593030144.

The previous prime is 144931965083. The next prime is 144931965089. The reversal of 144931965087 is 780569139441.

It is a happy number.

It is not a de Polignac number, because 144931965087 - 2² = 144931965083 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144931965083) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 48637 + ... + 540582.

It is an arithmetic number, because the mean of its divisors is an integer number (4009052880).

Almost surely, 2^144931965087 is an apocalyptic number.

144931965087 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

144931965087 is a deficient number, since it is larger than the sum of its proper divisors (111647419233).

144931965087 is a wasteful number, since it uses less digits than its factorization.

144931965087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 589312.

The product of its (nonzero) digits is 6531840, while the sum is 57.

The spelling of 144931965087 in words is "one hundred forty-four billion, nine hundred thirty-one million, nine hundred sixty-five thousand, eighty-seven".