144602345651661 has 32 divisors (see below), whose sum is σ = 220453795584000. Its totient is φ = 93630233988720.

The previous prime is 144602345651653. The next prime is 144602345651759. The reversal of 144602345651661 is 166156543206441.

144602345651661 is a `hidden beast` number, since 1 + 4 + 4 + 6 + 0 + 2 + 3 + 4 + 565 + 16 + 61 = 666.

It is not a de Polignac number, because 144602345651661 - 2³ = 144602345651653 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 144602345651598 and 144602345651607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144602345651611) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 434756811 + ... + 435089288.

It is an arithmetic number, because the mean of its divisors is an integer number (6889181112000).

Almost surely, 2^{144602345651661} is an apocalyptic number.

It is an amenable number.

144602345651661 is a deficient number, since it is larger than the sum of its proper divisors (75851449932339).

144602345651661 is a wasteful number, since it uses less digits than its factorization.

144602345651661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 869846286 (or 869846280 counting only the distinct ones).

The product of its (nonzero) digits is 12441600, while the sum is 54.

The spelling of 144602345651661 in words is "one hundred forty-four trillion, six hundred two billion, three hundred forty-five million, six hundred fifty-one thousand, six hundred sixty-one".