545620106 has 4 divisors (see below), whose sum is σ = 818430162. Its totient is φ = 272810052.

The previous prime is 545620037. The next prime is 545620129. The reversal of 545620106 is 601026545.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 538008025 + 7612081 = 23195^2 + 2759^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 136405025 + ... + 136405028.

Almost surely, 2^545620106 is an apocalyptic number.

545620106 is a deficient number, since it is larger than the sum of its proper divisors (272810056).

545620106 is a wasteful number, since it uses less digits than its factorization.

545620106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272810055.

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 545620106 is about 23358.5124954480. The cubic root of 545620106 is about 817.1405988442.

The spelling of 545620106 in words is "five hundred forty-five million, six hundred twenty thousand, one hundred six".