1545345203155 has 8 divisors (see below), whose sum is σ = 1997061493392. Its totient is φ = 1141177996128.

The previous prime is 1545345203141. The next prime is 1545345203167. The reversal of 1545345203155 is 5513025435451.

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 1545345203155 - 2³⁷ = 1407906249683 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11887270729 + ... + 11887270858.

It is an arithmetic number, because the mean of its divisors is an integer number (249632686674).

Almost surely, 2^{1545345203155} is an apocalyptic number.

1545345203155 is a deficient number, since it is larger than the sum of its proper divisors (451716290237).

1545345203155 is a wasteful number, since it uses less digits than its factorization.

1545345203155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23774541605.

The product of its (nonzero) digits is 900000, while the sum is 43.

The spelling of 1545345203155 in words is "one trillion, five hundred forty-five billion, three hundred forty-five million, two hundred three thousand, one hundred fifty-five".