144958013 has 4 divisors (see below), whose sum is σ = 145759068. Its totient is φ = 144156960.

The previous prime is 144957991. The next prime is 144958043. The reversal of 144958013 is 310859441.

144958013 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 310859441 = 9029 ⋅34429.

It can be written as a sum of positive squares in 2 ways, for example, as 1006009 + 143952004 = 1003^2 + 11998^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-144958013 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144958043) 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, 400256 + ... + 400617.

It is an arithmetic number, because the mean of its divisors is an integer number (36439767).

Almost surely, 2^144958013 is an apocalyptic number.

It is an amenable number.

144958013 is a deficient number, since it is larger than the sum of its proper divisors (801055).

144958013 is an equidigital number, since it uses as much as digits as its factorization.

144958013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 801054.

The product of its (nonzero) digits is 17280, while the sum is 35.

The square root of 144958013 is about 12039.8510372845. The cubic root of 144958013 is about 525.3080737577.

The spelling of 144958013 in words is "one hundred forty-four million, nine hundred fifty-eight thousand, thirteen".