45271738 has 8 divisors (see below), whose sum is σ = 68230080. Its totient is φ = 22528380.

The previous prime is 45271717. The next prime is 45271739. The reversal of 45271738 is 83717254.

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

It is a junction number, because it is equal to n+sod(n) for n = 45271697 and 45271706.

It is not an unprimeable number, because it can be changed into a prime (45271739) 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, 53218 + ... + 54061.

It is an arithmetic number, because the mean of its divisors is an integer number (8528760).

Almost surely, 2^45271738 is an apocalyptic number.

45271738 is a deficient number, since it is larger than the sum of its proper divisors (22958342).

45271738 is a wasteful number, since it uses less digits than its factorization.

45271738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107492.

The product of its digits is 47040, while the sum is 37.

The square root of 45271738 is about 6728.4276023451. The cubic root of 45271738 is about 356.4038519631.

The spelling of 45271738 in words is "forty-five million, two hundred seventy-one thousand, seven hundred thirty-eight".