45546399 has 12 divisors (see below), whose sum is σ = 66772056. Its totient is φ = 29910672.

The previous prime is 45546359. The next prime is 45546427. The reversal of 45546399 is 99364554.

45546399 is a `hidden beast` number, since 4 + 5 + 5 + 4 + 639 + 9 = 666.

It is not a de Polignac number, because 45546399 - 2⁸ = 45546143 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45546359) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 37164 + ... + 38369.

It is an arithmetic number, because the mean of its divisors is an integer number (5564338).

Almost surely, 2^45546399 is an apocalyptic number.

45546399 is a deficient number, since it is larger than the sum of its proper divisors (21225657).

45546399 is a wasteful number, since it uses less digits than its factorization.

45546399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75606 (or 75603 counting only the distinct ones).

The product of its digits is 583200, while the sum is 45.

The square root of 45546399 is about 6748.8072279478. The cubic root of 45546399 is about 357.1231597289.

The spelling of 45546399 in words is "forty-five million, five hundred forty-six thousand, three hundred ninety-nine".