545174019 has 24 divisors (see below), whose sum is σ = 861962192. Its totient is φ = 329987520.

The previous prime is 545174017. The next prime is 545174027. The reversal of 545174019 is 910471545.

It is not a de Polignac number, because 545174019 - 2¹ = 545174017 is a prime.

It is a super-2 number, since 2×545174019² = 594429421985224722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (545174017) 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 23 ways as a sum of consecutive naturals, for example, 31057 + ... + 45330.

Almost surely, 2^545174019 is an apocalyptic number.

545174019 is a deficient number, since it is larger than the sum of its proper divisors (316788173).

545174019 is a wasteful number, since it uses less digits than its factorization.

545174019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76467 (or 76464 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 36.

The square root of 545174019 is about 23348.9618398763. The cubic root of 545174019 is about 816.9178460659.

The spelling of 545174019 in words is "five hundred forty-five million, one hundred seventy-four thousand, nineteen".