45242985 has 8 divisors (see below), whose sum is σ = 72388800. Its totient is φ = 24129584.

The previous prime is 45242983. The next prime is 45243013. The reversal of 45242985 is 58924254.

45242985 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 45242985 - 2¹ = 45242983 is a prime.

It is not an unprimeable number, because it can be changed into a prime (45242983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1508085 + ... + 1508114.

It is an arithmetic number, because the mean of its divisors is an integer number (9048600).

Almost surely, 2^45242985 is an apocalyptic number.

It is an amenable number.

45242985 is a deficient number, since it is larger than the sum of its proper divisors (27145815).

45242985 is a wasteful number, since it uses less digits than its factorization.

45242985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3016207.

The product of its digits is 115200, while the sum is 39.

The square root of 45242985 is about 6726.2905824830. The cubic root of 45242985 is about 356.3283828759.

The spelling of 45242985 in words is "forty-five million, two hundred forty-two thousand, nine hundred eighty-five".