154141655266642 has 8 divisors (see below), whose sum is σ = 231212567332476. Its totient is φ = 77070799489152.

The previous prime is 154141655266481. The next prime is 154141655266747. The reversal of 154141655266642 is 246662556141451.

It can be written as a sum of positive squares in 2 ways, for example, as 138576428878801 + 15565226387841 = 11771849^2 + 3945279^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×154141655266642² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6386503 + ... + 18683434.

Almost surely, 2^{154141655266642} is an apocalyptic number.

154141655266642 is a deficient number, since it is larger than the sum of its proper divisors (77070912065834).

154141655266642 is a wasteful number, since it uses less digits than its factorization.

154141655266642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28144172.

The product of its digits is 41472000, while the sum is 58.

The spelling of 154141655266642 in words is "one hundred fifty-four trillion, one hundred forty-one billion, six hundred fifty-five million, two hundred sixty-six thousand, six hundred forty-two".