144511639548 has 12 divisors (see below), whose sum is σ = 337193825640. Its totient is φ = 48170546512.

The previous prime is 144511639541. The next prime is 144511639567. The reversal of 144511639548 is 845936115441.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×144511639548² (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 144511639548.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144511639541) 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, 6021318303 + ... + 6021318326.

It is an arithmetic number, because the mean of its divisors is an integer number (28099485470).

Almost surely, 2^144511639548 is an apocalyptic number.

It is an amenable number.

144511639548 is an abundant number, since it is smaller than the sum of its proper divisors (192682186092).

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

144511639548 is a wasteful number, since it uses less digits than its factorization.

144511639548 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12042636636 (or 12042636634 counting only the distinct ones).

The product of its digits is 2073600, while the sum is 51.

The spelling of 144511639548 in words is "one hundred forty-four billion, five hundred eleven million, six hundred thirty-nine thousand, five hundred forty-eight".