545150506 has 4 divisors (see below), whose sum is σ = 817725762. Its totient is φ = 272575252.

The previous prime is 545150503. The next prime is 545150513. The reversal of 545150506 is 605051545.

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., 499924881 + 45225625 = 22359^2 + 6725^2 .

It is not an unprimeable number, because it can be changed into a prime (545150503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 136287625 + ... + 136287628.

Almost surely, 2^545150506 is an apocalyptic number.

545150506 is a deficient number, since it is larger than the sum of its proper divisors (272575256).

545150506 is a wasteful number, since it uses less digits than its factorization.

545150506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272575255.

The product of its (nonzero) digits is 15000, while the sum is 31.

The square root of 545150506 is about 23348.4583216965. The cubic root of 545150506 is about 816.9061015190.

The spelling of 545150506 in words is "five hundred forty-five million, one hundred fifty thousand, five hundred six".