45521769 has 4 divisors (see below), whose sum is σ = 60695696. Its totient is φ = 30347844.

The previous prime is 45521737. The next prime is 45521771. The reversal of 45521769 is 96712554.

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.

It is not a de Polignac number, because 45521769 - 2⁵ = 45521737 is a prime.

It is a super-2 number, since 2×45521769² = 4144462905778722, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (45521369) 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, 7586959 + ... + 7586964.

It is an arithmetic number, because the mean of its divisors is an integer number (15173924).

Almost surely, 2^45521769 is an apocalyptic number.

It is an amenable number.

45521769 is a deficient number, since it is larger than the sum of its proper divisors (15173927).

45521769 is a wasteful number, since it uses less digits than its factorization.

45521769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15173926.

The product of its digits is 75600, while the sum is 39.

The square root of 45521769 is about 6746.9822142940. The cubic root of 45521769 is about 357.0587746212.

The spelling of 45521769 in words is "forty-five million, five hundred twenty-one thousand, seven hundred sixty-nine".