45542271 has 8 divisors (see below), whose sum is σ = 61280560. Its totient is φ = 30082752.

The previous prime is 45542261. The next prime is 45542293. The reversal of 45542271 is 17224554.

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

It is not a de Polignac number, because 45542271 - 2⁶ = 45542207 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 (45542251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69310 + ... + 69963.

It is an arithmetic number, because the mean of its divisors is an integer number (7660070).

Almost surely, 2^45542271 is an apocalyptic number.

45542271 is a deficient number, since it is larger than the sum of its proper divisors (15738289).

45542271 is a wasteful number, since it uses less digits than its factorization.

45542271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139385.

The product of its digits is 11200, while the sum is 30.

The square root of 45542271 is about 6748.5013891975. The cubic root of 45542271 is about 357.1123703729.

The spelling of 45542271 in words is "forty-five million, five hundred forty-two thousand, two hundred seventy-one".