45252820587 has 16 divisors (see below), whose sum is σ = 65007023648. Its totient is φ = 27835626240.

The previous prime is 45252820579. The next prime is 45252820601. The reversal of 45252820587 is 78502825254.

It is a happy number.

It is not a de Polignac number, because 45252820587 - 2³ = 45252820579 is a prime.

It is a super-2 number, since 2×45252820587² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45252820507) 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 15 ways as a sum of consecutive naturals, for example, 165388 + ... + 343305.

It is an arithmetic number, because the mean of its divisors is an integer number (4062938978).

Almost surely, 2^45252820587 is an apocalyptic number.

45252820587 is a deficient number, since it is larger than the sum of its proper divisors (19754203061).

45252820587 is a wasteful number, since it uses less digits than its factorization.

45252820587 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 510990.

The product of its (nonzero) digits is 1792000, while the sum is 48.

The spelling of 45252820587 in words is "forty-five billion, two hundred fifty-two million, eight hundred twenty thousand, five hundred eighty-seven".