45603009 has 9 divisors (see below), whose sum is σ = 65900289. Its totient is φ = 30388500.

The previous prime is 45603007. The next prime is 45603013. The reversal of 45603009 is 90030654.

It is a happy number.

The square root of 45603009 is 6753.

It is a perfect power (a square), and thus also a powerful number.

It is a tau number, because it is divible by the number of its divisors (9).

It is not a de Polignac number, because 45603009 - 2¹ = 45603007 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (45603007) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 19134 + ... + 21384.

Almost surely, 2^45603009 is an apocalyptic number.

45603009 is the 6753-rd square number.

45603009 is the 3377-th centered octagonal number.

It is an amenable number.

45603009 is a deficient number, since it is larger than the sum of its proper divisors (20297280).

45603009 is an frugal number, since it uses more digits than its factorization.

45603009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4508 (or 2254 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The cubic root of 45603009 is about 357.2710555922.

It can be divided in two parts, 4560 and 3009, that added together give a square (7569 = 87²).

The spelling of 45603009 in words is "forty-five million, six hundred three thousand, nine".