545626545 has 16 divisors (see below), whose sum is σ = 873382272. Its totient is φ = 290874240.

The previous prime is 545626541. The next prime is 545626559.

It is a happy number.

545626545 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 545626545 - 2² = 545626541 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 545626497 and 545626506.

It is not an unprimeable number, because it can be changed into a prime (545626541) 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, 35349 + ... + 48381.

It is an arithmetic number, because the mean of its divisors is an integer number (54586392).

Almost surely, 2^545626545 is an apocalyptic number.

It is an amenable number.

545626545 is a deficient number, since it is larger than the sum of its proper divisors (327755727).

545626545 is a wasteful number, since it uses less digits than its factorization.

545626545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15832.

The product of its digits is 720000, while the sum is 42.

The square root of 545626545 is about 23358.6503248796. The cubic root of 545626545 is about 817.1438132588.

The spelling of 545626545 in words is "five hundred forty-five million, six hundred twenty-six thousand, five hundred forty-five".