45234985 has 4 divisors (see below), whose sum is σ = 54281988. Its totient is φ = 36187984.

The previous prime is 45234967. The next prime is 45234989. The reversal of 45234985 is 58943254.

45234985 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 13571856 + 31663129 = 3684^2 + 5627^2 .

It is a cyclic number.

It is not a de Polignac number, because 45234985 - 2¹³ = 45226793 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45234989) 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 3 ways as a sum of consecutive naturals, for example, 4523494 + ... + 4523503.

It is an arithmetic number, because the mean of its divisors is an integer number (13570497).

Almost surely, 2^45234985 is an apocalyptic number.

It is an amenable number.

45234985 is a deficient number, since it is larger than the sum of its proper divisors (9047003).

45234985 is an equidigital number, since it uses as much as digits as its factorization.

45234985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9047002.

The product of its digits is 172800, while the sum is 40.

The square root of 45234985 is about 6725.6958747776. The cubic root of 45234985 is about 356.3073792875.

The spelling of 45234985 in words is "forty-five million, two hundred thirty-four thousand, nine hundred eighty-five".