144326613 has 16 divisors (see below), whose sum is σ = 197210880. Its totient is φ = 93844416.

The previous prime is 144326593. The next prime is 144326627. The reversal of 144326613 is 316623441.

It is not a de Polignac number, because 144326613 - 2⁹ = 144326101 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144326113) 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, 43083 + ... + 46311.

It is an arithmetic number, because the mean of its divisors is an integer number (12325680).

Almost surely, 2^144326613 is an apocalyptic number.

It is an amenable number.

144326613 is a deficient number, since it is larger than the sum of its proper divisors (52884267).

144326613 is a wasteful number, since it uses less digits than its factorization.

144326613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3596.

The product of its digits is 10368, while the sum is 30.

The square root of 144326613 is about 12013.6011670107. The cubic root of 144326613 is about 524.5442611888.

The spelling of 144326613 in words is "one hundred forty-four million, three hundred twenty-six thousand, six hundred thirteen".