45288307 has 4 divisors (see below), whose sum is σ = 46251936. Its totient is φ = 44324680.

The previous prime is 45288281. The next prime is 45288317. The reversal of 45288307 is 70388254.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45288307 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45288317) 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, 481744 + ... + 481837.

It is an arithmetic number, because the mean of its divisors is an integer number (11562984).

Almost surely, 2^45288307 is an apocalyptic number.

45288307 is a gapful number since it is divisible by the number (47) formed by its first and last digit.

45288307 is a deficient number, since it is larger than the sum of its proper divisors (963629).

45288307 is an equidigital number, since it uses as much as digits as its factorization.

45288307 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 963628.

The product of its (nonzero) digits is 53760, while the sum is 37.

The square root of 45288307 is about 6729.6587580649. The cubic root of 45288307 is about 356.4473267327.

The spelling of 45288307 in words is "forty-five million, two hundred eighty-eight thousand, three hundred seven".