45471049 has 8 divisors (see below), whose sum is σ = 49056840. Its totient is φ = 41897856.

The previous prime is 45471037. The next prime is 45471071. The reversal of 45471049 is 94017454.

It can be written as a sum of positive squares in 4 ways, for example, as 2699449 + 42771600 = 1643^2 + 6540^2 .

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

It is not a de Polignac number, because 45471049 - 2⁷ = 45470921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45471029) 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, 5187 + ... + 10855.

It is an arithmetic number, because the mean of its divisors is an integer number (6132105).

Almost surely, 2^45471049 is an apocalyptic number.

It is an amenable number.

45471049 is a deficient number, since it is larger than the sum of its proper divisors (3585791).

45471049 is a wasteful number, since it uses less digits than its factorization.

45471049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6299.

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 45471049 is about 6743.2224492449. Note that the first 3 decimals coincide. The cubic root of 45471049 is about 356.9261146387.

The spelling of 45471049 in words is "forty-five million, four hundred seventy-one thousand, forty-nine".