155120045153543 has 8 divisors (see below), whose sum is σ = 157372922835600. Its totient is φ = 152870625459648.

The previous prime is 155120045153537. The next prime is 155120045153587. The reversal of 155120045153543 is 345351540021551.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 155120045153543 - 2³⁸ = 154845167246599 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 155120045153494 and 155120045153503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155120042153543) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 864406673 + ... + 864586106.

It is an arithmetic number, because the mean of its divisors is an integer number (19671615354450).

Almost surely, 2^{155120045153543} is an apocalyptic number.

155120045153543 is a deficient number, since it is larger than the sum of its proper divisors (2252877682057).

155120045153543 is a wasteful number, since it uses less digits than its factorization.

155120045153543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1728994081.

The product of its (nonzero) digits is 900000, while the sum is 44.

The spelling of 155120045153543 in words is "one hundred fifty-five trillion, one hundred twenty billion, forty-five million, one hundred fifty-three thousand, five hundred forty-three".