45302725002621 has 32 divisors (see below), whose sum is σ = 64570888876032. Its totient is φ = 28203903463680.

The previous prime is 45302725002599. The next prime is 45302725002677. The reversal of 45302725002621 is 12620052720354.

It is not a de Polignac number, because 45302725002621 - 2²³ = 45302716614013 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 45302725002621.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45302725502621) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 67912140 + ... + 68575973.

It is an arithmetic number, because the mean of its divisors is an integer number (2017840277376).

Almost surely, 2^{45302725002621} is an apocalyptic number.

It is an amenable number.

45302725002621 is a deficient number, since it is larger than the sum of its proper divisors (19268163873411).

45302725002621 is a wasteful number, since it uses less digits than its factorization.

45302725002621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136488273.

The product of its (nonzero) digits is 201600, while the sum is 39.

Adding to 45302725002621 its reverse (12620052720354), we get a palindrome (57922777722975).

The spelling of 45302725002621 in words is "forty-five trillion, three hundred two billion, seven hundred twenty-five million, two thousand, six hundred twenty-one".