45170918 has 16 divisors (see below), whose sum is σ = 73347120. Its totient is φ = 20739936.

The previous prime is 45170897. The next prime is 45171001. The reversal of 45170918 is 81907154.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 713 + ... + 9531.

It is an arithmetic number, because the mean of its divisors is an integer number (4584195).

Almost surely, 2^45170918 is an apocalyptic number.

45170918 is a deficient number, since it is larger than the sum of its proper divisors (28176202).

45170918 is a wasteful number, since it uses less digits than its factorization.

45170918 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9031.

The product of its (nonzero) digits is 10080, while the sum is 35.

The square root of 45170918 is about 6720.9313342721. The cubic root of 45170918 is about 356.1390852827.

The spelling of 45170918 in words is "forty-five million, one hundred seventy thousand, nine hundred eighteen".