45243252205 has 16 divisors (see below), whose sum is σ = 56874988800. Its totient is φ = 34504142400.

The previous prime is 45243252193. The next prime is 45243252253. The reversal of 45243252205 is 50225234254.

It is not a de Polignac number, because 45243252205 - 2³¹ = 43095768557 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1963371 + ... + 1986280.

It is an arithmetic number, because the mean of its divisors is an integer number (3554686800).

Almost surely, 2^45243252205 is an apocalyptic number.

It is an amenable number.

45243252205 is a deficient number, since it is larger than the sum of its proper divisors (11631736595).

45243252205 is a wasteful number, since it uses less digits than its factorization.

45243252205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3949764.

The product of its (nonzero) digits is 96000, while the sum is 34.

Adding to 45243252205 its reverse (50225234254), we get a palindrome (95468486459).

The spelling of 45243252205 in words is "forty-five billion, two hundred forty-three million, two hundred fifty-two thousand, two hundred five".