45071289 has 16 divisors (see below), whose sum is σ = 67400640. Its totient is φ = 29764800.

The previous prime is 45071281. The next prime is 45071309. The reversal of 45071289 is 98217054.

It is not a de Polignac number, because 45071289 - 2³ = 45071281 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (45071281) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4912 + ... + 10689.

It is an arithmetic number, because the mean of its divisors is an integer number (4212540).

Almost surely, 2^45071289 is an apocalyptic number.

It is an amenable number.

45071289 is a deficient number, since it is larger than the sum of its proper divisors (22329351).

45071289 is a wasteful number, since it uses less digits than its factorization.

45071289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15717 (or 15711 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 36.

The square root of 45071289 is about 6713.5153980608. The cubic root of 45071289 is about 355.8770590298.

The spelling of 45071289 in words is "forty-five million, seventy-one thousand, two hundred eighty-nine".