45747247 has 8 divisors (see below), whose sum is σ = 56304416. Its totient is φ = 36195552.

The previous prime is 45747223. The next prime is 45747257. The reversal of 45747247 is 74274754.

45747247 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45747247 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45747257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 251268 + ... + 251449.

It is an arithmetic number, because the mean of its divisors is an integer number (7038052).

Almost surely, 2^45747247 is an apocalyptic number.

45747247 is a deficient number, since it is larger than the sum of its proper divisors (10557169).

45747247 is a wasteful number, since it uses less digits than its factorization.

45747247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 502737.

The product of its digits is 219520, while the sum is 40.

The square root of 45747247 is about 6763.6711185568. The cubic root of 45747247 is about 357.6473306711.

The spelling of 45747247 in words is "forty-five million, seven hundred forty-seven thousand, two hundred forty-seven".