144581087972 has 24 divisors (see below), whose sum is σ = 253727455800. Its totient is φ = 72087618816.

The previous prime is 144581087971. The next prime is 144581087983. The reversal of 144581087972 is 279780185441.

It can be written as a sum of positive squares in 4 ways, for example, as 11521016896 + 133060071076 = 107336^2 + 364774^2 .

It is not an unprimeable number, because it can be changed into a prime (144581087971) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 8843918 + ... + 8860250.

It is an arithmetic number, because the mean of its divisors is an integer number (10571977325).

Almost surely, 2^144581087972 is an apocalyptic number.

It is an amenable number.

144581087972 is a deficient number, since it is larger than the sum of its proper divisors (109146367828).

144581087972 is a wasteful number, since it uses less digits than its factorization.

144581087972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22415 (or 22413 counting only the distinct ones).

The product of its (nonzero) digits is 4515840, while the sum is 56.

The spelling of 144581087972 in words is "one hundred forty-four billion, five hundred eighty-one million, eighty-seven thousand, nine hundred seventy-two".