45571668 has 24 divisors (see below), whose sum is σ = 106481760. Its totient is φ = 15169440.

The previous prime is 45571661. The next prime is 45571681. The reversal of 45571668 is 86617554.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45571661) 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, 8098 + ... + 12518.

It is an arithmetic number, because the mean of its divisors is an integer number (4436740).

Almost surely, 2^45571668 is an apocalyptic number.

It is an amenable number.

45571668 is an abundant number, since it is smaller than the sum of its proper divisors (60910092).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

45571668 is a wasteful number, since it uses less digits than its factorization.

45571668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5287 (or 5285 counting only the distinct ones).

The product of its digits is 201600, while the sum is 42.

The square root of 45571668 is about 6750.6790769522. The cubic root of 45571668 is about 357.1891911238.

The spelling of 45571668 in words is "forty-five million, five hundred seventy-one thousand, six hundred sixty-eight".