545670258 has 32 divisors (see below), whose sum is σ = 1276256256. Its totient is φ = 152279568.

The previous prime is 545670217. The next prime is 545670259. The reversal of 545670258 is 852076545.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (545670259) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 149266 + ... + 152877.

It is an arithmetic number, because the mean of its divisors is an integer number (39883008).

Almost surely, 2^545670258 is an apocalyptic number.

545670258 is an abundant number, since it is smaller than the sum of its proper divisors (730585998).

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

545670258 is a wasteful number, since it uses less digits than its factorization.

545670258 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 302198.

The product of its (nonzero) digits is 336000, while the sum is 42.

The square root of 545670258 is about 23359.5859980437. The cubic root of 545670258 is about 817.1656345661.

The spelling of 545670258 in words is "five hundred forty-five million, six hundred seventy thousand, two hundred fifty-eight".