45273101 has 4 divisors (see below), whose sum is σ = 45739932. Its totient is φ = 44806272.

The previous prime is 45273073. The next prime is 45273103. The reversal of 45273101 is 10137254.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10137254 = 2 ⋅5068627.

It can be written as a sum of positive squares in 2 ways, for example, as 17023876 + 28249225 = 4126^2 + 5315^2 .

It is a cyclic number.

It is not a de Polignac number, because 45273101 - 2⁶ = 45273037 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45273103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 233270 + ... + 233463.

It is an arithmetic number, because the mean of its divisors is an integer number (11434983).

Almost surely, 2^45273101 is an apocalyptic number.

It is an amenable number.

45273101 is a deficient number, since it is larger than the sum of its proper divisors (466831).

45273101 is an equidigital number, since it uses as much as digits as its factorization.

45273101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 466830.

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 45273101 is about 6728.5288882489. The cubic root of 45273101 is about 356.4074286873.

The spelling of 45273101 in words is "forty-five million, two hundred seventy-three thousand, one hundred one".