45178869 has 8 divisors (see below), whose sum is σ = 60772032. Its totient is φ = 29852480.

The previous prime is 45178799. The next prime is 45178883. The reversal of 45178869 is 96887154.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 45178869 - 2¹⁶ = 45113333 is a prime.

It is a super-2 number, since 2×45178869² = 4082260408238322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45178669) 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 7 ways as a sum of consecutive naturals, for example, 66297 + ... + 66974.

It is an arithmetic number, because the mean of its divisors is an integer number (7596504).

Almost surely, 2^45178869 is an apocalyptic number.

It is an amenable number.

45178869 is a deficient number, since it is larger than the sum of its proper divisors (15593163).

45178869 is a wasteful number, since it uses less digits than its factorization.

45178869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133387.

The product of its digits is 483840, while the sum is 48.

The square root of 45178869 is about 6721.5228185286. The cubic root of 45178869 is about 356.1599799635.

The spelling of 45178869 in words is "forty-five million, one hundred seventy-eight thousand, eight hundred sixty-nine".