45857645 has 8 divisors (see below), whose sum is σ = 55071456. Its totient is φ = 36657936.

The previous prime is 45857641. The next prime is 45857657. The reversal of 45857645 is 54675854.

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 45857645 - 2² = 45857641 is a prime.

It is a super-3 number, since 3×45857645³ (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 45857596 and 45857605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45857641) 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, 5954 + ... + 11276.

It is an arithmetic number, because the mean of its divisors is an integer number (6883932).

Almost surely, 2^45857645 is an apocalyptic number.

It is an amenable number.

45857645 is a deficient number, since it is larger than the sum of its proper divisors (9213811).

45857645 is a wasteful number, since it uses less digits than its factorization.

45857645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7051.

The product of its digits is 672000, while the sum is 44.

The square root of 45857645 is about 6771.8273014010. The cubic root of 45857645 is about 357.9347930092.

The spelling of 45857645 in words is "forty-five million, eight hundred fifty-seven thousand, six hundred forty-five".