45863209 has 4 divisors (see below), whose sum is σ = 52415104. Its totient is φ = 39311316.

The previous prime is 45863203. The next prime is 45863267. The reversal of 45863209 is 90236854.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 45863209 - 2⁵ = 45863177 is a prime.

It is not an unprimeable number, because it can be changed into a prime (45863203) 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, 3275937 + ... + 3275950.

It is an arithmetic number, because the mean of its divisors is an integer number (13103776).

Almost surely, 2^45863209 is an apocalyptic number.

It is an amenable number.

45863209 is a deficient number, since it is larger than the sum of its proper divisors (6551895).

45863209 is an equidigital number, since it uses as much as digits as its factorization.

45863209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6551894.

The product of its (nonzero) digits is 51840, while the sum is 37.

The square root of 45863209 is about 6772.2381086314. The cubic root of 45863209 is about 357.9492687391.

The spelling of 45863209 in words is "forty-five million, eight hundred sixty-three thousand, two hundred nine".