45128045827 has 8 divisors (see below), whose sum is σ = 49860143136. Its totient is φ = 40626782592.

The previous prime is 45128045779. The next prime is 45128045843. The reversal of 45128045827 is 72854082154.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45128045827 is a prime.

It is a super-2 number, since 2×45128045827² (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 (45128045327) 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, 57708108 + ... + 57708889.

It is an arithmetic number, because the mean of its divisors is an integer number (6232517892).

Almost surely, 2^45128045827 is an apocalyptic number.

45128045827 is a deficient number, since it is larger than the sum of its proper divisors (4732097309).

45128045827 is a wasteful number, since it uses less digits than its factorization.

45128045827 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115417037.

The product of its (nonzero) digits is 716800, while the sum is 46.

The spelling of 45128045827 in words is "forty-five billion, one hundred twenty-eight million, forty-five thousand, eight hundred twenty-seven".