45170207 has 4 divisors (see below), whose sum is σ = 47827296. Its totient is φ = 42513120.

The previous prime is 45170189. The next prime is 45170219. The reversal of 45170207 is 70207154.

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

It is a cyclic number.

It is not a de Polignac number, because 45170207 - 2¹⁰ = 45169183 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45170227) 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, 1328519 + ... + 1328552.

It is an arithmetic number, because the mean of its divisors is an integer number (11956824).

Almost surely, 2^45170207 is an apocalyptic number.

45170207 is a deficient number, since it is larger than the sum of its proper divisors (2657089).

45170207 is a wasteful number, since it uses less digits than its factorization.

45170207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2657088.

The product of its (nonzero) digits is 1960, while the sum is 26.

The square root of 45170207 is about 6720.8784396089. The cubic root of 45170207 is about 356.1372167042.

The spelling of 45170207 in words is "forty-five million, one hundred seventy thousand, two hundred seven".