45538765 has 8 divisors (see below), whose sum is σ = 54803448. Its totient is φ = 36326400.

The previous prime is 45538739. The next prime is 45538789. The reversal of 45538765 is 56783554.

It can be written as a sum of positive squares in 4 ways, for example, as 3587236 + 41951529 = 1894^2 + 6477^2 .

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

It is a de Polignac number, because none of the positive numbers 2^k-45538765 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11136 + ... + 14665.

It is an arithmetic number, because the mean of its divisors is an integer number (6850431).

Almost surely, 2^45538765 is an apocalyptic number.

It is an amenable number.

45538765 is a deficient number, since it is larger than the sum of its proper divisors (9264683).

45538765 is a wasteful number, since it uses less digits than its factorization.

45538765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26159.

The product of its digits is 504000, while the sum is 43.

The square root of 45538765 is about 6748.2416228229. The cubic root of 45538765 is about 357.1032062266.

The spelling of 45538765 in words is "forty-five million, five hundred thirty-eight thousand, seven hundred sixty-five".