154202542166101 has 32 divisors (see below), whose sum is σ = 181767727814400. Its totient is φ = 128967894612480.

The previous prime is 154202542166077. The next prime is 154202542166191. The reversal of 154202542166101 is 101661245202451.

It is not a de Polignac number, because 154202542166101 - 2²¹ = 154202540068949 is a prime.

It is a super-3 number, since 3×154202542166101³ (a number of 44 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (154202542166191) 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, 70627920 + ... + 72778486.

It is an arithmetic number, because the mean of its divisors is an integer number (5680241494200).

Almost surely, 2^{154202542166101} is an apocalyptic number.

154202542166101 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

154202542166101 is a deficient number, since it is larger than the sum of its proper divisors (27565185648299).

154202542166101 is a wasteful number, since it uses less digits than its factorization.

154202542166101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2152269.

The product of its (nonzero) digits is 115200, while the sum is 40.

Adding to 154202542166101 its reverse (101661245202451), we get a palindrome (255863787368552).

The spelling of 154202542166101 in words is "one hundred fifty-four trillion, two hundred two billion, five hundred forty-two million, one hundred sixty-six thousand, one hundred one".