45681327 has 28 divisors (see below), whose sum is σ = 69042624. Its totient is φ = 30209760.

The previous prime is 45681313. The next prime is 45681331. The reversal of 45681327 is 72318654.

It is not a de Polignac number, because 45681327 - 2¹⁰ = 45680303 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 45681291 and 45681300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45681367) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 162427 + ... + 162707.

It is an arithmetic number, because the mean of its divisors is an integer number (2465808).

Almost surely, 2^45681327 is an apocalyptic number.

45681327 is a deficient number, since it is larger than the sum of its proper divisors (23361297).

45681327 is an equidigital number, since it uses as much as digits as its factorization.

45681327 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 522 (or 507 counting only the distinct ones).

The product of its digits is 40320, while the sum is 36.

The square root of 45681327 is about 6758.7962685674. The cubic root of 45681327 is about 357.4754628048.

The spelling of 45681327 in words is "forty-five million, six hundred eighty-one thousand, three hundred twenty-seven".