45256785 has 16 divisors (see below), whose sum is σ = 82755456. Its totient is φ = 20688768.

The previous prime is 45256657. The next prime is 45256789. The reversal of 45256785 is 58765254.

It is not a de Polignac number, because 45256785 - 2⁷ = 45256657 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is not an unprimeable number, because it can be changed into a prime (45256789) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 215404 + ... + 215613.

It is an arithmetic number, because the mean of its divisors is an integer number (5172216).

Almost surely, 2^45256785 is an apocalyptic number.

It is an amenable number.

45256785 is a deficient number, since it is larger than the sum of its proper divisors (37498671).

45256785 is a wasteful number, since it uses less digits than its factorization.

45256785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 431032.

The product of its digits is 336000, while the sum is 42.

The square root of 45256785 is about 6727.3163297113. The cubic root of 45256785 is about 356.3646082473.

The spelling of 45256785 in words is "forty-five million, two hundred fifty-six thousand, seven hundred eighty-five".