45787565 has 4 divisors (see below), whose sum is σ = 54945084. Its totient is φ = 36630048.

The previous prime is 45787523. The next prime is 45787583. The reversal of 45787565 is 56578754.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 20967241 + 24820324 = 4579^2 + 4982^2 .

It is a cyclic number.

It is not a de Polignac number, because 45787565 - 2⁶ = 45787501 is a prime.

It is a super-2 number, since 2×45787565² = 4193002217258450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4578752 + ... + 4578761.

It is an arithmetic number, because the mean of its divisors is an integer number (13736271).

Almost surely, 2^45787565 is an apocalyptic number.

It is an amenable number.

45787565 is a deficient number, since it is larger than the sum of its proper divisors (9157519).

45787565 is an equidigital number, since it uses as much as digits as its factorization.

45787565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9157518.

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

The square root of 45787565 is about 6766.6509441525. The cubic root of 45787565 is about 357.7523671633.

The spelling of 45787565 in words is "forty-five million, seven hundred eighty-seven thousand, five hundred sixty-five".