45207447 has 4 divisors (see below), whose sum is σ = 60276600. Its totient is φ = 30138296.

The previous prime is 45207431. The next prime is 45207457. The reversal of 45207447 is 74470254.

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 45207447 - 2⁴ = 45207431 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45207457) 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, 7534572 + ... + 7534577.

It is an arithmetic number, because the mean of its divisors is an integer number (15069150).

Almost surely, 2^45207447 is an apocalyptic number.

45207447 is a deficient number, since it is larger than the sum of its proper divisors (15069153).

45207447 is a wasteful number, since it uses less digits than its factorization.

45207447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15069152.

The product of its (nonzero) digits is 31360, while the sum is 33.

The square root of 45207447 is about 6723.6483400011. The cubic root of 45207447 is about 356.2350607463.

It can be divided in two parts, 45207 and 447, that added together give a palindrome (45654).

The spelling of 45207447 in words is "forty-five million, two hundred seven thousand, four hundred forty-seven".