45648231 has 8 divisors (see below), whose sum is σ = 60914304. Its totient is φ = 30407160.

The previous prime is 45648227. The next prime is 45648311. The reversal of 45648231 is 13284654.

45648231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 45648231 - 2² = 45648227 is a prime.

It is a super-2 number, since 2×45648231² = 4167521986858722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 45648192 and 45648201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45648931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1465 + ... + 9666.

It is an arithmetic number, because the mean of its divisors is an integer number (7614288).

Almost surely, 2^45648231 is an apocalyptic number.

45648231 is a deficient number, since it is larger than the sum of its proper divisors (15266073).

45648231 is a wasteful number, since it uses less digits than its factorization.

45648231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12501.

The product of its digits is 23040, while the sum is 33.

The square root of 45648231 is about 6756.3474599816. The cubic root of 45648231 is about 357.3891119402.

The spelling of 45648231 in words is "forty-five million, six hundred forty-eight thousand, two hundred thirty-one".