545102145 has 48 divisors (see below), whose sum is σ = 1095075072. Its totient is φ = 245669760.

The previous prime is 545102141. The next prime is 545102177. The reversal of 545102145 is 541201545.

545102145 is a `hidden beast` number, since 5 + 4 + 510 + 2 + 145 = 666.

It is not a de Polignac number, because 545102145 - 2² = 545102141 is a prime.

It is not an unprimeable number, because it can be changed into a prime (545102141) 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 47 ways as a sum of consecutive naturals, for example, 10179 + ... + 34551.

It is an arithmetic number, because the mean of its divisors is an integer number (22814064).

Almost surely, 2^545102145 is an apocalyptic number.

It is an amenable number.

545102145 is an abundant number, since it is smaller than the sum of its proper divisors (549972927).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

545102145 is a wasteful number, since it uses less digits than its factorization.

545102145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24462 (or 24459 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 27.

The square root of 545102145 is about 23347.4226628979. The cubic root of 545102145 is about 816.8819445423.

The spelling of 545102145 in words is "five hundred forty-five million, one hundred two thousand, one hundred forty-five".