545250045 has 16 divisors (see below), whose sum is σ = 882204480. Its totient is φ = 287531904.

The previous prime is 545250037. The next prime is 545250047. The reversal of 545250045 is 540052545.

It is not a de Polignac number, because 545250045 - 2³ = 545250037 is a prime.

It is a super-2 number, since 2×545250045² = 594595223145004050, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 545249994 and 545250021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545250047) 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, 202879 + ... + 205548.

It is an arithmetic number, because the mean of its divisors is an integer number (55137780).

Almost surely, 2^545250045 is an apocalyptic number.

It is an amenable number.

545250045 is a deficient number, since it is larger than the sum of its proper divisors (336954435).

545250045 is a wasteful number, since it uses less digits than its factorization.

545250045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 408524.

The product of its (nonzero) digits is 20000, while the sum is 30.

The square root of 545250045 is about 23350.5898212443. The cubic root of 545250045 is about 816.9558181062.

It can be divided in two parts, 5452500 and 45, that added together give a palindrome (5452545).

The spelling of 545250045 in words is "five hundred forty-five million, two hundred fifty thousand, forty-five".