545155141 has 4 divisors (see below), whose sum is σ = 545448384. Its totient is φ = 544861900.

The previous prime is 545155139. The next prime is 545155159. The reversal of 545155141 is 141551545.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 545155141 - 2¹ = 545155139 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545155441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 143815 + ... + 147556.

It is an arithmetic number, because the mean of its divisors is an integer number (136362096).

Almost surely, 2^545155141 is an apocalyptic number.

It is an amenable number.

545155141 is a deficient number, since it is larger than the sum of its proper divisors (293243).

545155141 is a wasteful number, since it uses less digits than its factorization.

545155141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 293242.

The product of its digits is 10000, while the sum is 31.

The square root of 545155141 is about 23348.5575785743. The cubic root of 545155141 is about 816.9084166895.

The spelling of 545155141 in words is "five hundred forty-five million, one hundred fifty-five thousand, one hundred forty-one".