45321235861 has 4 divisors (see below), whose sum is σ = 49441348224. Its totient is φ = 41201123500.

The previous prime is 45321235859. The next prime is 45321235871. The reversal of 45321235861 is 16853212354.

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 a cyclic number.

It is not a de Polignac number, because 45321235861 - 2¹ = 45321235859 is a prime.

It is a super-2 number, since 2×45321235861² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45321235871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2060056165 + ... + 2060056186.

It is an arithmetic number, because the mean of its divisors is an integer number (12360337056).

Almost surely, 2^45321235861 is an apocalyptic number.

It is an amenable number.

45321235861 is a deficient number, since it is larger than the sum of its proper divisors (4120112363).

45321235861 is a wasteful number, since it uses less digits than its factorization.

45321235861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4120112362.

The product of its digits is 172800, while the sum is 40.

It can be divided in two parts, 45321 and 235861, that added together give a palindrome (281182).

The spelling of 45321235861 in words is "forty-five billion, three hundred twenty-one million, two hundred thirty-five thousand, eight hundred sixty-one".