45645743 has 8 divisors (see below), whose sum is σ = 53625936. Its totient is φ = 38304000.

The previous prime is 45645727. The next prime is 45645779. The reversal of 45645743 is 34754654.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 45645743 - 2⁴ = 45645727 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 45645697 and 45645706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45645713) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 159458 + ... + 159743.

It is an arithmetic number, because the mean of its divisors is an integer number (6703242).

Almost surely, 2^45645743 is an apocalyptic number.

45645743 is a deficient number, since it is larger than the sum of its proper divisors (7980193).

45645743 is a wasteful number, since it uses less digits than its factorization.

45645743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319225.

The product of its digits is 201600, while the sum is 38.

The square root of 45645743 is about 6756.1633343193. The cubic root of 45645743 is about 357.3826188061.

The spelling of 45645743 in words is "forty-five million, six hundred forty-five thousand, seven hundred forty-three".