45271983 has 8 divisors (see below), whose sum is σ = 60426288. Its totient is φ = 30149504.

The previous prime is 45271973. The next prime is 45272033. The reversal of 45271983 is 38917254.

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 45271983 - 2¹⁷ = 45140911 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45271973) 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, 4410 + ... + 10487.

It is an arithmetic number, because the mean of its divisors is an integer number (7553286).

Almost surely, 2^45271983 is an apocalyptic number.

45271983 is a deficient number, since it is larger than the sum of its proper divisors (15154305).

45271983 is a wasteful number, since it uses less digits than its factorization.

45271983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15913.

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

The square root of 45271983 is about 6728.4458086545. The cubic root of 45271983 is about 356.4044948865.

The spelling of 45271983 in words is "forty-five million, two hundred seventy-one thousand, nine hundred eighty-three".