45669128 has 8 divisors (see below), whose sum is σ = 85629630. Its totient is φ = 22834560.

The previous prime is 45669109. The next prime is 45669149. The reversal of 45669128 is 82196654.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 41499364 + 4169764 = 6442^2 + 2042^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2854313 + ... + 2854328.

Almost surely, 2^45669128 is an apocalyptic number.

It is an amenable number.

45669128 is a deficient number, since it is larger than the sum of its proper divisors (39960502).

45669128 is a wasteful number, since it uses less digits than its factorization.

45669128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5708647 (or 5708643 counting only the distinct ones).

The product of its digits is 103680, while the sum is 41.

The square root of 45669128 is about 6757.8937547138. The cubic root of 45669128 is about 357.4436392152.

The spelling of 45669128 in words is "forty-five million, six hundred sixty-nine thousand, one hundred twenty-eight".