45717849 has 12 divisors (see below), whose sum is σ = 66151956. Its totient is φ = 30425472.

The previous prime is 45717827. The next prime is 45717869. The reversal of 45717849 is 94871754.

It is a happy number.

45717849 is a `hidden beast` number, since 4 + 571 + 78 + 4 + 9 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 4347225 + 41370624 = 2085^2 + 6432^2 .

It is not a de Polignac number, because 45717849 - 2¹¹ = 45715801 is a prime.

It is not an unprimeable number, because it can be changed into a prime (45717809) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1437 + ... + 9669.

It is an arithmetic number, because the mean of its divisors is an integer number (5512663).

Almost surely, 2^45717849 is an apocalyptic number.

It is an amenable number.

45717849 is a deficient number, since it is larger than the sum of its proper divisors (20434107).

45717849 is a wasteful number, since it uses less digits than its factorization.

45717849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8856 (or 8853 counting only the distinct ones).

The product of its digits is 282240, while the sum is 45.

The square root of 45717849 is about 6761.4975412256. The cubic root of 45717849 is about 357.5707040622.

It can be divided in two parts, 4571784 and 9, that multiplied together give a triangular number (41146056 = T₉₀₇₁).

The spelling of 45717849 in words is "forty-five million, seven hundred seventeen thousand, eight hundred forty-nine".