45178682 has 4 divisors (see below), whose sum is σ = 67768026. Its totient is φ = 22589340.

The previous prime is 45178669. The next prime is 45178697. The reversal of 45178682 is 28687154.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 28687154 = 2 ⋅14343577.

It can be written as a sum of positive squares in only one way, i.e., 42393121 + 2785561 = 6511^2 + 1669^2 .

It is a super-2 number, since 2×45178682² = 4082226614514248, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11294669 + ... + 11294672.

Almost surely, 2^45178682 is an apocalyptic number.

45178682 is a deficient number, since it is larger than the sum of its proper divisors (22589344).

45178682 is a wasteful number, since it uses less digits than its factorization.

45178682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22589343.

The product of its digits is 107520, while the sum is 41.

The square root of 45178682 is about 6721.5089079759. The cubic root of 45178682 is about 356.1594885685.

The spelling of 45178682 in words is "forty-five million, one hundred seventy-eight thousand, six hundred eighty-two".