45186042 has 16 divisors (see below), whose sum is σ = 98587872. Its totient is φ = 13692720.

The previous prime is 45186041. The next prime is 45186049. The reversal of 45186042 is 24068154.

It is not an unprimeable number, because it can be changed into a prime (45186041) 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, 342253 + ... + 342384.

It is an arithmetic number, because the mean of its divisors is an integer number (6161742).

Almost surely, 2^45186042 is an apocalyptic number.

45186042 is an abundant number, since it is smaller than the sum of its proper divisors (53401830).

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

45186042 is a wasteful number, since it uses less digits than its factorization.

45186042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 684653.

The product of its (nonzero) digits is 7680, while the sum is 30.

The square root of 45186042 is about 6722.0563817927. The cubic root of 45186042 is about 356.1788280105.

The spelling of 45186042 in words is "forty-five million, one hundred eighty-six thousand, forty-two".