45186742 has 8 divisors (see below), whose sum is σ = 68413896. Its totient is φ = 22382112.

The previous prime is 45186721. The next prime is 45186749. The reversal of 45186742 is 24768154.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45186749) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105363 + ... + 105790.

It is an arithmetic number, because the mean of its divisors is an integer number (8551737).

Almost surely, 2^45186742 is an apocalyptic number.

45186742 is a deficient number, since it is larger than the sum of its proper divisors (23227154).

45186742 is a wasteful number, since it uses less digits than its factorization.

45186742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211262.

The product of its digits is 53760, while the sum is 37.

The square root of 45186742 is about 6722.1084489913. The cubic root of 45186742 is about 356.1806672502.

The spelling of 45186742 in words is "forty-five million, one hundred eighty-six thousand, seven hundred forty-two".