45271837 has 8 divisors (see below), whose sum is σ = 48838104. Its totient is φ = 41717568.

The previous prime is 45271829. The next prime is 45271841. The reversal of 45271837 is 73817254.

It can be written as a sum of positive squares in 4 ways, for example, as 7584516 + 37687321 = 2754^2 + 6139^2 .

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 45271837 - 2³ = 45271829 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 45271796 and 45271805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45271847) 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, 5823 + ... + 11155.

It is an arithmetic number, because the mean of its divisors is an integer number (6104763).

Almost surely, 2^45271837 is an apocalyptic number.

It is an amenable number.

45271837 is a deficient number, since it is larger than the sum of its proper divisors (3566267).

45271837 is a wasteful number, since it uses less digits than its factorization.

45271837 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5999.

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

The square root of 45271837 is about 6728.4349591863. The cubic root of 45271837 is about 356.4041117569.

The spelling of 45271837 in words is "forty-five million, two hundred seventy-one thousand, eight hundred thirty-seven".