45007757017 has 4 divisors (see below), whose sum is σ = 45008285236. Its totient is φ = 45007228800.

The previous prime is 45007756993. The next prime is 45007757029. The reversal of 45007757017 is 71075770054.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 71075770054 = 2 ⋅35537885027.

It can be written as a sum of positive squares in 2 ways, for example, as 19852528201 + 25155228816 = 140899^2 + 158604^2 .

It is a cyclic number.

It is not a de Polignac number, because 45007757017 - 2¹⁹ = 45007232729 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45007752017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 103908 + ... + 317509.

It is an arithmetic number, because the mean of its divisors is an integer number (11252071309).

Almost surely, 2^45007757017 is an apocalyptic number.

It is an amenable number.

45007757017 is a deficient number, since it is larger than the sum of its proper divisors (528219).

45007757017 is a wasteful number, since it uses less digits than its factorization.

45007757017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 528218.

The product of its (nonzero) digits is 240100, while the sum is 43.

The spelling of 45007757017 in words is "forty-five billion, seven million, seven hundred fifty-seven thousand, seventeen".