45857445 has 8 divisors (see below), whose sum is σ = 73371936. Its totient is φ = 24457296.

The previous prime is 45857387. The next prime is 45857447. The reversal of 45857445 is 54475854.

It is a happy number.

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

It is not a de Polignac number, because 45857445 - 2¹² = 45853349 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 45857397 and 45857406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45857447) 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, 1528567 + ... + 1528596.

It is an arithmetic number, because the mean of its divisors is an integer number (9171492).

Almost surely, 2^45857445 is an apocalyptic number.

It is an amenable number.

45857445 is a deficient number, since it is larger than the sum of its proper divisors (27514491).

45857445 is a wasteful number, since it uses less digits than its factorization.

45857445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3057171.

The product of its digits is 448000, while the sum is 42.

The square root of 45857445 is about 6771.8125343220. The cubic root of 45857445 is about 357.9342726520.

The spelling of 45857445 in words is "forty-five million, eight hundred fifty-seven thousand, four hundred forty-five".