154334453643 has 12 divisors (see below), whose sum is σ = 223294813248. Its totient is φ = 102720126960.

The previous prime is 154334453617. The next prime is 154334453711. The reversal of 154334453643 is 346354433451.

154334453643 is a `hidden beast` number, since 1 + 5 + 4 + 33 + 44 + 536 + 43 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-154334453643 is a prime.

It is not an unprimeable number, because it can be changed into a prime (154334455643) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 14119968 + ... + 14130893.

It is an arithmetic number, because the mean of its divisors is an integer number (18607901104).

Almost surely, 2^154334453643 is an apocalyptic number.

154334453643 is a deficient number, since it is larger than the sum of its proper divisors (68960359605).

154334453643 is a wasteful number, since it uses less digits than its factorization.

154334453643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28251474 (or 28251471 counting only the distinct ones).

The product of its digits is 3110400, while the sum is 45.

The spelling of 154334453643 in words is "one hundred fifty-four billion, three hundred thirty-four million, four hundred fifty-three thousand, six hundred forty-three".