144610551653 has 4 divisors (see below), whose sum is σ = 146591518188. Its totient is φ = 142629585120.

The previous prime is 144610551623. The next prime is 144610551661. The reversal of 144610551653 is 356155016441.

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 61964651329 + 82645900324 = 248927^2 + 287482^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-144610551653 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 144610551653.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144610551623) 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, 990483158 + ... + 990483303.

It is an arithmetic number, because the mean of its divisors is an integer number (36647879547).

Almost surely, 2^144610551653 is an apocalyptic number.

It is an amenable number.

144610551653 is a deficient number, since it is larger than the sum of its proper divisors (1980966535).

144610551653 is an equidigital number, since it uses as much as digits as its factorization.

144610551653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1980966534.

The product of its (nonzero) digits is 216000, while the sum is 41.

The spelling of 144610551653 in words is "one hundred forty-four billion, six hundred ten million, five hundred fifty-one thousand, six hundred fifty-three".