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45243035525 = 524014513021
BaseRepresentation
bin101010001000101100…
…011110111110000101
311022210001202100010102
4222020230132332011
51220124204114100
632441231133445
73161110312442
oct521054367605
9138701670112
1045243035525
1118207572256
128927974285
13436038584c
142292a549c9
15129be48cd5
hexa88b1ef85

45243035525 has 12 divisors (see below), whose sum is σ = 56241280164. Its totient is φ = 36104160000.

The previous prime is 45243035521. The next prime is 45243035609. The reversal of 45243035525 is 52553034254.

45243035525 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 786578116 + 44456457409 = 28046^2 + 210847^2 .

It is not a de Polignac number, because 45243035525 - 22 = 45243035521 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45243035521) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2246486 + ... + 2266535.

It is an arithmetic number, because the mean of its divisors is an integer number (4686773347).

Almost surely, 245243035525 is an apocalyptic number.

It is an amenable number.

45243035525 is a deficient number, since it is larger than the sum of its proper divisors (10998244639).

45243035525 is a wasteful number, since it uses less digits than its factorization.

45243035525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4513432 (or 4513427 counting only the distinct ones).

The product of its (nonzero) digits is 360000, while the sum is 38.

Adding to 45243035525 its reverse (52553034254), we get a palindrome (97796069779).

The spelling of 45243035525 in words is "forty-five billion, two hundred forty-three million, thirty-five thousand, five hundred twenty-five".

Divisors: 1 5 25 401 2005 10025 4513021 22565105 112825525 1809721421 9048607105 45243035525