45505769 has 4 divisors (see below), whose sum is σ = 45519744. Its totient is φ = 45491796.

The previous prime is 45505723. The next prime is 45505781. The reversal of 45505769 is 96750554.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 45505769 - 2¹⁶ = 45440233 is a prime.

It is a super-3 number, since 3×45505769³ (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45505069) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 764 + ... + 9570.

It is an arithmetic number, because the mean of its divisors is an integer number (11379936).

Almost surely, 2^45505769 is an apocalyptic number.

It is an amenable number.

45505769 is a deficient number, since it is larger than the sum of its proper divisors (13975).

45505769 is an equidigital number, since it uses as much as digits as its factorization.

45505769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13974.

The product of its (nonzero) digits is 189000, while the sum is 41.

The square root of 45505769 is about 6745.7963947928. The cubic root of 45505769 is about 357.0169366904.

The spelling of 45505769 in words is "forty-five million, five hundred five thousand, seven hundred sixty-nine".