154654142131 has 4 divisors (see below), whose sum is σ = 154658503512. Its totient is φ = 154649780752.

The previous prime is 154654142119. The next prime is 154654142191. The reversal of 154654142131 is 131241456451.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 131241456451 = 7 ⋅18748779493.

It is a cyclic number.

It is not a de Polignac number, because 154654142131 - 2¹¹ = 154654140083 is a prime.

It is a super-2 number, since 2×154654142131² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (154654142191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2127061 + ... + 2198566.

It is an arithmetic number, because the mean of its divisors is an integer number (38664625878).

Almost surely, 2^154654142131 is an apocalyptic number.

154654142131 is a deficient number, since it is larger than the sum of its proper divisors (4361381).

154654142131 is an equidigital number, since it uses as much as digits as its factorization.

154654142131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4361380.

The product of its digits is 57600, while the sum is 37.

Adding to 154654142131 its reverse (131241456451), we get a palindrome (285895598582).

The spelling of 154654142131 in words is "one hundred fifty-four billion, six hundred fifty-four million, one hundred forty-two thousand, one hundred thirty-one".