45316623 has 16 divisors (see below), whose sum is σ = 66036096. Its totient is φ = 27414240.

The previous prime is 45316613. The next prime is 45316631. The reversal of 45316623 is 32661354.

It is not a de Polignac number, because 45316623 - 2⁵ = 45316591 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45316613) 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, 25440 + ... + 27162.

It is an arithmetic number, because the mean of its divisors is an integer number (4127256).

Almost surely, 2^45316623 is an apocalyptic number.

45316623 is a deficient number, since it is larger than the sum of its proper divisors (20719473).

45316623 is a wasteful number, since it uses less digits than its factorization.

45316623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2534.

The product of its digits is 12960, while the sum is 30.

The square root of 45316623 is about 6731.7622507037. The cubic root of 45316623 is about 356.5215994708.

Adding to 45316623 its reverse (32661354), we get a palindrome (77977977).

The spelling of 45316623 in words is "forty-five million, three hundred sixteen thousand, six hundred twenty-three".