154331142101 has 4 divisors (see below), whose sum is σ = 154387697100. Its totient is φ = 154274587104.

The previous prime is 154331142089. The next prime is 154331142127. The reversal of 154331142101 is 101241133451.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 101241133451 = 197 ⋅513914383.

It can be written as a sum of positive squares in 2 ways, for example, as 139390969201 + 14940172900 = 373351^2 + 122230^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-154331142101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (154331142131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28273406 + ... + 28278863.

It is an arithmetic number, because the mean of its divisors is an integer number (38596924275).

Almost surely, 2^154331142101 is an apocalyptic number.

It is an amenable number.

154331142101 is a deficient number, since it is larger than the sum of its proper divisors (56554999).

154331142101 is an equidigital number, since it uses as much as digits as its factorization.

154331142101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56554998.

The product of its (nonzero) digits is 1440, while the sum is 26.

Adding to 154331142101 its reverse (101241133451), we get a palindrome (255572275552).

The spelling of 154331142101 in words is "one hundred fifty-four billion, three hundred thirty-one million, one hundred forty-two thousand, one hundred one".