144721083 has 16 divisors (see below), whose sum is σ = 216840960. Its totient is φ = 85186464.

The previous prime is 144721079. The next prime is 144721099. The reversal of 144721083 is 380127441.

It is not a de Polignac number, because 144721083 - 2² = 144721079 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 144721083.

It is not an unprimeable number, because it can be changed into a prime (144723083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 79773 + ... + 81566.

It is an arithmetic number, because the mean of its divisors is an integer number (13552560).

Almost surely, 2^144721083 is an apocalyptic number.

144721083 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

144721083 is a deficient number, since it is larger than the sum of its proper divisors (72119877).

144721083 is a wasteful number, since it uses less digits than its factorization.

144721083 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161378.

The product of its (nonzero) digits is 5376, while the sum is 30.

The square root of 144721083 is about 12030.0076059826. The cubic root of 144721083 is about 525.0217170155.

The spelling of 144721083 in words is "one hundred forty-four million, seven hundred twenty-one thousand, eighty-three".