45578752 has 20 divisors (see below), whose sum is σ = 91069506. Its totient is φ = 22789120.

The previous prime is 45578737. The next prime is 45578759. The reversal of 45578752 is 25787554.

It can be written as a sum of positive squares in only one way, i.e., 35236096 + 10342656 = 5936^2 + 3216^2 .

It is a junction number, because it is equal to n+sod(n) for n = 45578699 and 45578708.

It is not an unprimeable number, because it can be changed into a prime (45578759) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43999 + ... + 45022.

Almost surely, 2^45578752 is an apocalyptic number.

It is an amenable number.

45578752 is a deficient number, since it is larger than the sum of its proper divisors (45490754).

45578752 is an frugal number, since it uses more digits than its factorization.

45578752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89039 (or 89023 counting only the distinct ones).

The product of its digits is 392000, while the sum is 43.

The square root of 45578752 is about 6751.2037445185. The cubic root of 45578752 is about 357.2076982156.

The spelling of 45578752 in words is "forty-five million, five hundred seventy-eight thousand, seven hundred fifty-two".