154135666452231 has 24 divisors (see below), whose sum is σ = 226035896953776. Its totient is φ = 101194273088640.

The previous prime is 154135666452223. The next prime is 154135666452233. The reversal of 154135666452231 is 132254666531451.

It is not a de Polignac number, because 154135666452231 - 2³ = 154135666452223 is a prime.

It is a super-3 number, since 3×154135666452231³ (a number of 44 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (154135666452233) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 179207485 + ... + 180065526.

It is an arithmetic number, because the mean of its divisors is an integer number (9418162373074).

Almost surely, 2^{154135666452231} is an apocalyptic number.

154135666452231 is a deficient number, since it is larger than the sum of its proper divisors (71900230501545).

154135666452231 is a wasteful number, since it uses less digits than its factorization.

154135666452231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 359273743 (or 359273740 counting only the distinct ones).

The product of its digits is 15552000, while the sum is 54.

The spelling of 154135666452231 in words is "one hundred fifty-four trillion, one hundred thirty-five billion, six hundred sixty-six million, four hundred fifty-two thousand, two hundred thirty-one".