45312849 has 6 divisors (see below), whose sum is σ = 65451906. Its totient is φ = 30208560.

The previous prime is 45312833. The next prime is 45312851. The reversal of 45312849 is 94821354.

It can be written as a sum of positive squares in only one way, i.e., 45158400 + 154449 = 6720^2 + 393^2 .

It is not a de Polignac number, because 45312849 - 2⁴ = 45312833 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (45312889) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2517372 + ... + 2517389.

It is an arithmetic number, because the mean of its divisors is an integer number (10908651).

Almost surely, 2^45312849 is an apocalyptic number.

It is an amenable number.

45312849 is a deficient number, since it is larger than the sum of its proper divisors (20139057).

45312849 is a wasteful number, since it uses less digits than its factorization.

45312849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5034767 (or 5034764 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The square root of 45312849 is about 6731.4819319374. The cubic root of 45312849 is about 356.5117020735.

The spelling of 45312849 in words is "forty-five million, three hundred twelve thousand, eight hundred forty-nine".