144020561607 has 48 divisors (see below), whose sum is σ = 233521506400. Its totient is φ = 84945459456.

The previous prime is 144020561603. The next prime is 144020561623. The reversal of 144020561607 is 706165020441.

144020561607 is a `hidden beast` number, since 1 + 4 + 40 + 2 + 0 + 5 + 6 + 1 + 607 = 666.

It is not a de Polignac number, because 144020561607 - 2² = 144020561603 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144020561603) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 41769 + ... + 538317.

Almost surely, 2^144020561607 is an apocalyptic number.

144020561607 is a deficient number, since it is larger than the sum of its proper divisors (89500944793).

144020561607 is a wasteful number, since it uses less digits than its factorization.

144020561607 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 496672 (or 496669 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The spelling of 144020561607 in words is "one hundred forty-four billion, twenty million, five hundred sixty-one thousand, six hundred seven".