45741647 has 12 divisors (see below), whose sum is σ = 54927936. Its totient is φ = 37941120.

The previous prime is 45741629. The next prime is 45741649. The reversal of 45741647 is 74614754.

It is a happy number.

It is not a de Polignac number, because 45741647 - 2¹² = 45737551 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 45741647.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45741649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13538 + ... + 16575.

It is an arithmetic number, because the mean of its divisors is an integer number (4577328).

Almost surely, 2^45741647 is an apocalyptic number.

45741647 is a deficient number, since it is larger than the sum of its proper divisors (9186289).

45741647 is a wasteful number, since it uses less digits than its factorization.

45741647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30158 (or 30151 counting only the distinct ones).

The product of its digits is 94080, while the sum is 38.

The square root of 45741647 is about 6763.2571295198. The cubic root of 45741647 is about 357.6327366652.

The spelling of 45741647 in words is "forty-five million, seven hundred forty-one thousand, six hundred forty-seven".