45271237 has 8 divisors (see below), whose sum is σ = 49470912. Its totient is φ = 41085600.

The previous prime is 45271207. The next prime is 45271241. The reversal of 45271237 is 73217254.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45271237 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 45271199 and 45271208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45271207) 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, 3937 + ... + 10297.

It is an arithmetic number, because the mean of its divisors is an integer number (6183864).

Almost surely, 2^45271237 is an apocalyptic number.

It is an amenable number.

45271237 is a deficient number, since it is larger than the sum of its proper divisors (4199675).

45271237 is a wasteful number, since it uses less digits than its factorization.

45271237 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7019.

The product of its digits is 11760, while the sum is 31.

The square root of 45271237 is about 6728.3903721470. The cubic root of 45271237 is about 356.4025372430.

The spelling of 45271237 in words is "forty-five million, two hundred seventy-one thousand, two hundred thirty-seven".