45277073 has 4 divisors (see below), whose sum is σ = 45565620. Its totient is φ = 44988528.

The previous prime is 45277021. The next prime is 45277093. The reversal of 45277073 is 37077254.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 9193024 + 36084049 = 3032^2 + 6007^2 .

It is a cyclic number.

It is not a de Polignac number, because 45277073 - 2¹⁴ = 45260689 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 (45277003) 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, 144038 + ... + 144351.

It is an arithmetic number, because the mean of its divisors is an integer number (11391405).

Almost surely, 2^45277073 is an apocalyptic number.

It is an amenable number.

45277073 is a deficient number, since it is larger than the sum of its proper divisors (288547).

45277073 is a wasteful number, since it uses less digits than its factorization.

45277073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 288546.

The product of its (nonzero) digits is 41160, while the sum is 35.

The square root of 45277073 is about 6728.8240428770. The cubic root of 45277073 is about 356.4178514246.

The spelling of 45277073 in words is "forty-five million, two hundred seventy-seven thousand, seventy-three".