45102636021 has 4 divisors (see below), whose sum is σ = 60136848032. Its totient is φ = 30068424012.

The previous prime is 45102636011. The next prime is 45102636037. The reversal of 45102636021 is 12063620154.

45102636021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 45102636021 - 2⁵ = 45102635989 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 45102636021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45102636011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7517106001 + ... + 7517106006.

It is an arithmetic number, because the mean of its divisors is an integer number (15034212008).

Almost surely, 2^45102636021 is an apocalyptic number.

It is an amenable number.

45102636021 is a deficient number, since it is larger than the sum of its proper divisors (15034212011).

45102636021 is a wasteful number, since it uses less digits than its factorization.

45102636021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15034212010.

The product of its (nonzero) digits is 8640, while the sum is 30.

The spelling of 45102636021 in words is "forty-five billion, one hundred two million, six hundred thirty-six thousand, twenty-one".