144723613 has 8 divisors (see below), whose sum is σ = 155098368. Its totient is φ = 134689104.

The previous prime is 144723611. The next prime is 144723617. The reversal of 144723613 is 316327441.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 144723613 - 2¹ = 144723611 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 (144723611) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84181 + ... + 85882.

It is an arithmetic number, because the mean of its divisors is an integer number (19387296).

Almost surely, 2^144723613 is an apocalyptic number.

It is an amenable number.

144723613 is a deficient number, since it is larger than the sum of its proper divisors (10374755).

144723613 is a wasteful number, since it uses less digits than its factorization.

144723613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170123.

The product of its digits is 12096, while the sum is 31.

The square root of 144723613 is about 12030.1127592388. The cubic root of 144723613 is about 525.0247764573.

The spelling of 144723613 in words is "one hundred forty-four million, seven hundred twenty-three thousand, six hundred thirteen".