45016621 has 8 divisors (see below), whose sum is σ = 48535200. Its totient is φ = 41506032.

The previous prime is 45016583. The next prime is 45016637. The reversal of 45016621 is 12661054.

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

It is a cyclic number.

It is not a de Polignac number, because 45016621 - 2¹³ = 45008429 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45016651) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15330 + ... + 18028.

It is an arithmetic number, because the mean of its divisors is an integer number (6066900).

Almost surely, 2^45016621 is an apocalyptic number.

It is an amenable number.

45016621 is a deficient number, since it is larger than the sum of its proper divisors (3518579).

45016621 is a wasteful number, since it uses less digits than its factorization.

45016621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3995.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 45016621 is about 6709.4426743210. The cubic root of 45016621 is about 355.7331170019.

Adding to 45016621 its reverse (12661054), we get a palindrome (57677675).

It can be divided in two parts, 450 and 16621, that added together give a palindrome (17071).

The spelling of 45016621 in words is "forty-five million, sixteen thousand, six hundred twenty-one".