144102145406561 has 16 divisors (see below), whose sum is σ = 147272697480000. Its totient is φ = 140956606264896.

The previous prime is 144102145406551. The next prime is 144102145406599. The reversal of 144102145406561 is 165604541201441.

It is a cyclic number.

It is not a de Polignac number, because 144102145406561 - 2⁶ = 144102145406497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144102145406551) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19354670 + ... + 25745048.

It is an arithmetic number, because the mean of its divisors is an integer number (9204543592500).

Almost surely, 2^{144102145406561} is an apocalyptic number.

It is an amenable number.

144102145406561 is a deficient number, since it is larger than the sum of its proper divisors (3170552073439).

144102145406561 is a wasteful number, since it uses less digits than its factorization.

144102145406561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6392336.

The product of its (nonzero) digits is 460800, while the sum is 44.

The spelling of 144102145406561 in words is "one hundred forty-four trillion, one hundred two billion, one hundred forty-five million, four hundred six thousand, five hundred sixty-one".