45016543 has 16 divisors (see below), whose sum is σ = 55190016. Its totient is φ = 36131040.

The previous prime is 45016541. The next prime is 45016583. The reversal of 45016543 is 34561054.

It is not a de Polignac number, because 45016543 - 2¹ = 45016541 is a prime.

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

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45016541) 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, 3555 + ... + 10132.

It is an arithmetic number, because the mean of its divisors is an integer number (3449376).

Almost surely, 2^45016543 is an apocalyptic number.

45016543 is a deficient number, since it is larger than the sum of its proper divisors (10173473).

45016543 is a wasteful number, since it uses less digits than its factorization.

45016543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13734.

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 45016543 is about 6709.4368616151. The cubic root of 45016543 is about 355.7329115430.

Adding to 45016543 its reverse (34561054), we get a palindrome (79577597).

The spelling of 45016543 in words is "forty-five million, sixteen thousand, five hundred forty-three".