45169961 has 4 divisors (see below), whose sum is σ = 46131072. Its totient is φ = 44208852.

The previous prime is 45169937. The next prime is 45169981. The reversal of 45169961 is 16996154.

45169961 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45169961 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (45169931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 480485 + ... + 480578.

It is an arithmetic number, because the mean of its divisors is an integer number (11532768).

Almost surely, 2^45169961 is an apocalyptic number.

It is an amenable number.

45169961 is a deficient number, since it is larger than the sum of its proper divisors (961111).

45169961 is an equidigital number, since it uses as much as digits as its factorization.

45169961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 961110.

The product of its digits is 58320, while the sum is 41.

The square root of 45169961 is about 6720.8601384049. The cubic root of 45169961 is about 356.1365701872.

The spelling of 45169961 in words is "forty-five million, one hundred sixty-nine thousand, nine hundred sixty-one".