45239871 has 8 divisors (see below), whose sum is σ = 60410880. Its totient is φ = 30114392.

The previous prime is 45239867. The next prime is 45239879. The reversal of 45239871 is 17893254.

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

It is a cyclic number.

It is not a de Polignac number, because 45239871 - 2² = 45239867 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45239879) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8991 + ... + 13088.

It is an arithmetic number, because the mean of its divisors is an integer number (7551360).

Almost surely, 2^45239871 is an apocalyptic number.

45239871 is a deficient number, since it is larger than the sum of its proper divisors (15171009).

45239871 is a wasteful number, since it uses less digits than its factorization.

45239871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22765.

The product of its digits is 60480, while the sum is 39.

The square root of 45239871 is about 6726.0590987591. The cubic root of 45239871 is about 356.3202075234.

The spelling of 45239871 in words is "forty-five million, two hundred thirty-nine thousand, eight hundred seventy-one".