45417647 has 4 divisors (see below), whose sum is σ = 49546536. Its totient is φ = 41288760.

The previous prime is 45417643. The next prime is 45417649. The reversal of 45417647 is 74671454.

It is a happy number.

45417647 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 45417647 - 2² = 45417643 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 45417647.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45417641) 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 3 ways as a sum of consecutive naturals, for example, 2064428 + ... + 2064449.

It is an arithmetic number, because the mean of its divisors is an integer number (12386634).

Almost surely, 2^45417647 is an apocalyptic number.

45417647 is a deficient number, since it is larger than the sum of its proper divisors (4128889).

45417647 is a wasteful number, since it uses less digits than its factorization.

45417647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4128888.

The product of its digits is 94080, while the sum is 38.

The square root of 45417647 is about 6739.2616064373. The cubic root of 45417647 is about 356.7863331341.

It can be divided in two parts, 45417 and 647, that added together give a palindrome (46064).

The spelling of 45417647 in words is "forty-five million, four hundred seventeen thousand, six hundred forty-seven".