45728578765 has 8 divisors (see below), whose sum is σ = 55387139040. Its totient is φ = 36240966672.

The previous prime is 45728578729. The next prime is 45728578807. The reversal of 45728578765 is 56787582754.

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

It is a cyclic number.

It is not a de Polignac number, because 45728578765 - 2²³ = 45720190157 is a prime.

It is a super-2 number, since 2×45728578765² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 45728578697 and 45728578706.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 42736455 + ... + 42737524.

It is an arithmetic number, because the mean of its divisors is an integer number (6923392380).

Almost surely, 2^45728578765 is an apocalyptic number.

It is an amenable number.

45728578765 is a deficient number, since it is larger than the sum of its proper divisors (9658560275).

45728578765 is a wasteful number, since it uses less digits than its factorization.

45728578765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85474091.

The product of its digits is 131712000, while the sum is 64.

The spelling of 45728578765 in words is "forty-five billion, seven hundred twenty-eight million, five hundred seventy-eight thousand, seven hundred sixty-five".