45065385 has 24 divisors (see below), whose sum is σ = 82709640. Its totient is φ = 22620672.

The previous prime is 45065381. The next prime is 45065387. The reversal of 45065385 is 58356054.

It can be written as a sum of positive squares in 4 ways, for example, as 589824 + 44475561 = 768^2 + 6669^2 .

It is not a de Polignac number, because 45065385 - 2² = 45065381 is a prime.

It is not an unprimeable number, because it can be changed into a prime (45065381) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 28690 + ... + 30219.

It is an arithmetic number, because the mean of its divisors is an integer number (3446235).

Almost surely, 2^45065385 is an apocalyptic number.

45065385 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

45065385 is a deficient number, since it is larger than the sum of its proper divisors (37644255).

45065385 is a wasteful number, since it uses less digits than its factorization.

45065385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58937 (or 58934 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 36.

The square root of 45065385 is about 6713.0756736387. The cubic root of 45065385 is about 355.8615192782.

The spelling of 45065385 in words is "forty-five million, sixty-five thousand, three hundred eighty-five".