45857783 has 4 divisors (see below), whose sum is σ = 45897168. Its totient is φ = 45818400.

The previous prime is 45857767. The next prime is 45857813. The reversal of 45857783 is 38775854.

It is a happy number.

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 45857783 - 2⁴ = 45857767 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45857083) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17891 + ... + 20292.

It is an arithmetic number, because the mean of its divisors is an integer number (11474292).

Almost surely, 2^45857783 is an apocalyptic number.

45857783 is a deficient number, since it is larger than the sum of its proper divisors (39385).

45857783 is a wasteful number, since it uses less digits than its factorization.

45857783 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39384.

The product of its digits is 940800, while the sum is 47.

The square root of 45857783 is about 6771.8374906668. The cubic root of 45857783 is about 357.9351520547.

The spelling of 45857783 in words is "forty-five million, eight hundred fifty-seven thousand, seven hundred eighty-three".