45157745 has 8 divisors (see below), whose sum is σ = 54696384. Its totient is φ = 35788144.

The previous prime is 45157711. The next prime is 45157747. The reversal of 45157745 is 54775154.

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 45157745 - 2⁶ = 45157681 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 45157699 and 45157708.

It is not an unprimeable number, because it can be changed into a prime (45157747) 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, 41669 + ... + 42738.

It is an arithmetic number, because the mean of its divisors is an integer number (6837048).

Almost surely, 2^45157745 is an apocalyptic number.

It is an amenable number.

45157745 is a deficient number, since it is larger than the sum of its proper divisors (9538639).

45157745 is a wasteful number, since it uses less digits than its factorization.

45157745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84519.

The product of its digits is 98000, while the sum is 38.

The square root of 45157745 is about 6719.9512647042. The cubic root of 45157745 is about 356.1044621483.

The spelling of 45157745 in words is "forty-five million, one hundred fifty-seven thousand, seven hundred forty-five".