545140258 has 24 divisors (see below), whose sum is σ = 937544868. Its totient is φ = 236800512.

The previous prime is 545140249. The next prime is 545140303. The reversal of 545140258 is 852041545.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 347934409 + 197205849 = 18653^2 + 14043^2 .

It is a Harshad number since it is a multiple of its sum of digits (34).

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 41691 + ... + 53182.

Almost surely, 2^545140258 is an apocalyptic number.

545140258 is a deficient number, since it is larger than the sum of its proper divisors (392404610).

545140258 is a wasteful number, since it uses less digits than its factorization.

545140258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94918 (or 94905 counting only the distinct ones).

The product of its (nonzero) digits is 32000, while the sum is 34.

The square root of 545140258 is about 23348.2388629207. The cubic root of 545140258 is about 816.9009826231.

The spelling of 545140258 in words is "five hundred forty-five million, one hundred forty thousand, two hundred fifty-eight".