45387273 has 8 divisors (see below), whose sum is σ = 61072000. Its totient is φ = 29980368.

The previous prime is 45387269. The next prime is 45387283. The reversal of 45387273 is 37278354.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 45387273 - 2² = 45387269 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 (45387203) 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 7 ways as a sum of consecutive naturals, for example, 69073 + ... + 69726.

It is an arithmetic number, because the mean of its divisors is an integer number (7634000).

Almost surely, 2^45387273 is an apocalyptic number.

It is an amenable number.

45387273 is a deficient number, since it is larger than the sum of its proper divisors (15684727).

45387273 is a wasteful number, since it uses less digits than its factorization.

45387273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138911.

The product of its digits is 141120, while the sum is 39.

The square root of 45387273 is about 6737.0077185647. The cubic root of 45387273 is about 356.7067792931.

It can be divided in two parts, 4538 and 7273, that added together give a palindrome (11811).

The spelling of 45387273 in words is "forty-five million, three hundred eighty-seven thousand, two hundred seventy-three".