154211560205342 has 16 divisors (see below), whose sum is σ = 235819728302064. Its totient is φ = 75612621744000.

The previous prime is 154211560205321. The next prime is 154211560205357. The reversal of 154211560205342 is 243502065112451.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 154211560205342.

It is a congruent number.

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, 1909369259 + ... + 1909450022.

It is an arithmetic number, because the mean of its divisors is an integer number (14738733018879).

Almost surely, 2^{154211560205342} is an apocalyptic number.

154211560205342 is a deficient number, since it is larger than the sum of its proper divisors (81608168096722).

154211560205342 is a wasteful number, since it uses less digits than its factorization.

154211560205342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3818819675.

The product of its (nonzero) digits is 288000, while the sum is 41.

The spelling of 154211560205342 in words is "one hundred fifty-four trillion, two hundred eleven billion, five hundred sixty million, two hundred five thousand, three hundred forty-two".