144982613 has 16 divisors (see below), whose sum is σ = 160671600. Its totient is φ = 130231296.

The previous prime is 144982609. The next prime is 144982633. The reversal of 144982613 is 316289441.

It can be written as a sum of positive squares in 8 ways, for example, as 4251844 + 140730769 = 2062^2 + 11863^2 .

It is a cyclic number.

It is not a de Polignac number, because 144982613 - 2² = 144982609 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144982633) 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, 31163 + ... + 35511.

It is an arithmetic number, because the mean of its divisors is an integer number (10041975).

Almost surely, 2^144982613 is an apocalyptic number.

It is an amenable number.

144982613 is a deficient number, since it is larger than the sum of its proper divisors (15688987).

144982613 is a wasteful number, since it uses less digits than its factorization.

144982613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4456.

The product of its digits is 41472, while the sum is 38.

The square root of 144982613 is about 12040.8726012694. The cubic root of 144982613 is about 525.3377877588.

The spelling of 144982613 in words is "one hundred forty-four million, nine hundred eighty-two thousand, six hundred thirteen".