45431365 has 8 divisors (see below), whose sum is σ = 62305920. Its totient is φ = 31152912.

The previous prime is 45431363. The next prime is 45431377. The reversal of 45431365 is 56313454.

45431365 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 45431365 - 2¹ = 45431363 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45431363) 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, 648985 + ... + 649054.

It is an arithmetic number, because the mean of its divisors is an integer number (7788240).

Almost surely, 2^45431365 is an apocalyptic number.

It is an amenable number.

45431365 is a deficient number, since it is larger than the sum of its proper divisors (16874555).

45431365 is a wasteful number, since it uses less digits than its factorization.

45431365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1298051.

The product of its digits is 21600, while the sum is 31.

The square root of 45431365 is about 6740.2792968838. The cubic root of 45431365 is about 356.8222509073.

It can be divided in two parts, 45431 and 365, that added together give a square (45796 = 214²).

The spelling of 45431365 in words is "forty-five million, four hundred thirty-one thousand, three hundred sixty-five".