45203017 has 4 divisors (see below), whose sum is σ = 47862036. Its totient is φ = 42544000.

The previous prime is 45203009. The next prime is 45203021. The reversal of 45203017 is 71030254.

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

It can be written as a sum of positive squares in 2 ways, for example, as 21427641 + 23775376 = 4629^2 + 4876^2 .

It is a cyclic number.

It is not a de Polignac number, because 45203017 - 2³ = 45203009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45203057) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1329484 + ... + 1329517.

It is an arithmetic number, because the mean of its divisors is an integer number (11965509).

Almost surely, 2^45203017 is an apocalyptic number.

It is an amenable number.

45203017 is a deficient number, since it is larger than the sum of its proper divisors (2659019).

45203017 is a wasteful number, since it uses less digits than its factorization.

45203017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2659018.

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 45203017 is about 6723.3188976874. The cubic root of 45203017 is about 356.2234242205.

The spelling of 45203017 in words is "forty-five million, two hundred three thousand, seventeen".