45785747457 has 6 divisors (see below), whose sum is σ = 66134968562. Its totient is φ = 30523831632.

The previous prime is 45785747429. The next prime is 45785747531. The reversal of 45785747457 is 75474758754.

It is a happy number.

45785747457 is a `hidden beast` number, since 4 + 5 + 7 + 8 + 574 + 7 + 4 + 57 = 666.

It can be written as a sum of positive squares in only one way, i.e., 37684127376 + 8101620081 = 194124^2 + 90009^2 .

It is not a de Polignac number, because 45785747457 - 2¹² = 45785743361 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 45785747394 and 45785747403.

It is not an unprimeable number, because it can be changed into a prime (45785747957) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2543652628 + ... + 2543652645.

Almost surely, 2^45785747457 is an apocalyptic number.

It is an amenable number.

45785747457 is a deficient number, since it is larger than the sum of its proper divisors (20349221105).

45785747457 is a wasteful number, since it uses less digits than its factorization.

45785747457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5087305279 (or 5087305276 counting only the distinct ones).

The product of its digits is 153664000, while the sum is 63.

The spelling of 45785747457 in words is "forty-five billion, seven hundred eighty-five million, seven hundred forty-seven thousand, four hundred fifty-seven".