144932320628 has 6 divisors (see below), whose sum is σ = 253631561106. Its totient is φ = 72466160312.

The previous prime is 144932320613. The next prime is 144932320633. The reversal of 144932320628 is 826023239441.

It can be written as a sum of positive squares in only one way, i.e., 142187818084 + 2744502544 = 377078^2 + 52388^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18116540075 + ... + 18116540082.

It is an arithmetic number, because the mean of its divisors is an integer number (42271926851).

Almost surely, 2^144932320628 is an apocalyptic number.

It is an amenable number.

144932320628 is a deficient number, since it is larger than the sum of its proper divisors (108699240478).

144932320628 is a wasteful number, since it uses less digits than its factorization.

144932320628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36233080161 (or 36233080159 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 44.

The spelling of 144932320628 in words is "one hundred forty-four billion, nine hundred thirty-two million, three hundred twenty thousand, six hundred twenty-eight".