144661644510 has 96 divisors (see below), whose sum is σ = 358260868512. Its totient is φ = 37380115200.

The previous prime is 144661644487. The next prime is 144661644527. The reversal of 144661644510 is 15446166441.

It is a super-2 number, since 2×144661644510² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6682464 + ... + 6704076.

It is an arithmetic number, because the mean of its divisors is an integer number (3731884047).

Almost surely, 2^144661644510 is an apocalyptic number.

144661644510 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 144661644510, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (179130434256).

144661644510 is an abundant number, since it is smaller than the sum of its proper divisors (213599224002).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

144661644510 is a wasteful number, since it uses less digits than its factorization.

144661644510 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21818 (or 21771 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 42.

The spelling of 144661644510 in words is "one hundred forty-four billion, six hundred sixty-one million, six hundred forty-four thousand, five hundred ten".