144306352540 has 24 divisors (see below), whose sum is σ = 346335246432. Its totient is φ = 49476463680.

The previous prime is 144306352537. The next prime is 144306352621. The reversal of 144306352540 is 45253603441.

It is a self number, because there is not a number n which added to its sum of digits gives 144306352540.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 515379691 + ... + 515379970.

It is an arithmetic number, because the mean of its divisors is an integer number (14430635268).

Almost surely, 2^144306352540 is an apocalyptic number.

144306352540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

144306352540 is an abundant number, since it is smaller than the sum of its proper divisors (202028893892).

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

144306352540 is a wasteful number, since it uses less digits than its factorization.

144306352540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1030759677 (or 1030759675 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 37.

Adding to 144306352540 its reverse (45253603441), we get a palindrome (189559955981).

The spelling of 144306352540 in words is "one hundred forty-four billion, three hundred six million, three hundred fifty-two thousand, five hundred forty".