45857765 has 8 divisors (see below), whose sum is σ = 55315608. Its totient is φ = 36495360.

The previous prime is 45857761. The next prime is 45857767. The reversal of 45857765 is 56775854.

It can be written as a sum of positive squares in 4 ways, for example, as 7392961 + 38464804 = 2719^2 + 6202^2 .

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

It is not a de Polignac number, because 45857765 - 2² = 45857761 is a prime.

It is a super-2 number, since 2×45857765² = 4205869221590450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45857761) 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, 22796 + ... + 24725.

It is an arithmetic number, because the mean of its divisors is an integer number (6914451).

Almost surely, 2^45857765 is an apocalyptic number.

It is an amenable number.

45857765 is a deficient number, since it is larger than the sum of its proper divisors (9457843).

45857765 is a wasteful number, since it uses less digits than its factorization.

45857765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47719.

The product of its digits is 1176000, while the sum is 47.

The square root of 45857765 is about 6771.8361616330. The cubic root of 45857765 is about 357.9351052227.

The spelling of 45857765 in words is "forty-five million, eight hundred fifty-seven thousand, seven hundred sixty-five".