45031538547 has 8 divisors (see below), whose sum is σ = 66713390480. Its totient is φ = 30021025680.

The previous prime is 45031538507. The next prime is 45031538557. The reversal of 45031538547 is 74583513054.

It is a happy number.

45031538547 is a `hidden beast` number, since 4 + 50 + 3 + 1 + 53 + 8 + 547 = 666.

It is not a de Polignac number, because 45031538547 - 2⁸ = 45031538291 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45031538507) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 833917354 + ... + 833917407.

It is an arithmetic number, because the mean of its divisors is an integer number (8339173810).

Almost surely, 2^45031538547 is an apocalyptic number.

45031538547 is a deficient number, since it is larger than the sum of its proper divisors (21681851933).

45031538547 is a wasteful number, since it uses less digits than its factorization.

45031538547 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1667834770 (or 1667834764 counting only the distinct ones).

The product of its (nonzero) digits is 1008000, while the sum is 45.

The spelling of 45031538547 in words is "forty-five billion, thirty-one million, five hundred thirty-eight thousand, five hundred forty-seven".