154144002265642 has 16 divisors (see below), whose sum is σ = 231963282885672. Its totient is φ = 76822945479360.

The previous prime is 154144002265621. The next prime is 154144002265681. The reversal of 154144002265642 is 246562200441451.

154144002265642 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 54164021263641 + 99979981002001 = 7359621^2 + 9998999^2 .

It is a junction number, because it is equal to n+sod(n) for n = 154144002265592 and 154144002265601.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1145709 + ... + 17595472.

Almost surely, 2^{154144002265642} is an apocalyptic number.

154144002265642 is a deficient number, since it is larger than the sum of its proper divisors (77819280620030).

154144002265642 is a wasteful number, since it uses less digits than its factorization.

154144002265642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18754473.

The product of its (nonzero) digits is 1843200, while the sum is 46.

The spelling of 154144002265642 in words is "one hundred fifty-four trillion, one hundred forty-four billion, two million, two hundred sixty-five thousand, six hundred forty-two".