144546646530 has 128 divisors (see below), whose sum is σ = 407884087296. Its totient is φ = 32320454400.

The previous prime is 144546646513. The next prime is 144546646549. The reversal of 144546646530 is 35646645441.

It is a super-2 number, since 2×144546646530² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 144546646530.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5680135 + ... + 5705525.

It is an arithmetic number, because the mean of its divisors is an integer number (3186594432).

Almost surely, 2^144546646530 is an apocalyptic number.

144546646530 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 144546646530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (203942043648).

144546646530 is an abundant number, since it is smaller than the sum of its proper divisors (263337440766).

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

144546646530 is a wasteful number, since it uses less digits than its factorization.

144546646530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26752.

The product of its (nonzero) digits is 4147200, while the sum is 48.

The spelling of 144546646530 in words is "one hundred forty-four billion, five hundred forty-six million, six hundred forty-six thousand, five hundred thirty".