144521561037 has 28 divisors (see below), whose sum is σ = 224811593216. Its totient is φ = 82583547480.

The previous prime is 144521561033. The next prime is 144521561039. The reversal of 144521561037 is 730165125441.

It is not a de Polignac number, because 144521561037 - 2² = 144521561033 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 144521560986 and 144521561004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144521561033) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 148212 + ... + 557682.

It is an arithmetic number, because the mean of its divisors is an integer number (8028985472).

Almost surely, 2^144521561037 is an apocalyptic number.

It is an amenable number.

144521561037 is a deficient number, since it is larger than the sum of its proper divisors (80290032179).

144521561037 is an frugal number, since it uses more digits than its factorization.

144521561037 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 409516 (or 409481 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 39.

Adding to 144521561037 its reverse (730165125441), we get a palindrome (874686686478).

The spelling of 144521561037 in words is "one hundred forty-four billion, five hundred twenty-one million, five hundred sixty-one thousand, thirty-seven".