144645513772 has 12 divisors (see below), whose sum is σ = 253170698256. Its totient is φ = 72311028560.

The previous prime is 144645513721. The next prime is 144645513797. The reversal of 144645513772 is 277315546441.

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 3 ways as a sum of consecutive naturals, for example, 2904304 + ... + 2953687.

It is an arithmetic number, because the mean of its divisors is an integer number (21097558188).

Almost surely, 2^144645513772 is an apocalyptic number.

It is an amenable number.

144645513772 is a deficient number, since it is larger than the sum of its proper divisors (108525184484).

144645513772 is a wasteful number, since it uses less digits than its factorization.

144645513772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5864168 (or 5864166 counting only the distinct ones).

The product of its digits is 2822400, while the sum is 49.

The spelling of 144645513772 in words is "one hundred forty-four billion, six hundred forty-five million, five hundred thirteen thousand, seven hundred seventy-two".