144730233853 has 4 divisors (see below), whose sum is σ = 145245288348. Its totient is φ = 144215179360.

The previous prime is 144730233847. The next prime is 144730233887. The reversal of 144730233853 is 358332037441.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 60884082009 + 83846151844 = 246747^2 + 289562^2 .

It is a cyclic number.

It is not a de Polignac number, because 144730233853 - 2³³ = 136140299261 is a prime.

It is a super-2 number, since 2×144730233853² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144730233553) 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, 257526826 + ... + 257527387.

It is an arithmetic number, because the mean of its divisors is an integer number (36311322087).

Almost surely, 2^144730233853 is an apocalyptic number.

It is an amenable number.

144730233853 is a deficient number, since it is larger than the sum of its proper divisors (515054495).

144730233853 is an equidigital number, since it uses as much as digits as its factorization.

144730233853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 515054494.

The product of its (nonzero) digits is 725760, while the sum is 43.

The spelling of 144730233853 in words is "one hundred forty-four billion, seven hundred thirty million, two hundred thirty-three thousand, eight hundred fifty-three".