45812985 has 8 divisors (see below), whose sum is σ = 73300800. Its totient is φ = 24433584.

The previous prime is 45812981. The next prime is 45813007. The reversal of 45812985 is 58921854.

It is a happy number.

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

It is not a de Polignac number, because 45812985 - 2² = 45812981 is a prime.

It is a super-2 number, since 2×45812985² = 4197659189220450, which contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (45812981) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1527085 + ... + 1527114.

It is an arithmetic number, because the mean of its divisors is an integer number (9162600).

Almost surely, 2^45812985 is an apocalyptic number.

It is an amenable number.

45812985 is a deficient number, since it is larger than the sum of its proper divisors (27487815).

45812985 is a wasteful number, since it uses less digits than its factorization.

45812985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3054207.

The product of its digits is 115200, while the sum is 42.

The square root of 45812985 is about 6768.5290130131. The cubic root of 45812985 is about 357.8185596820.

The spelling of 45812985 in words is "forty-five million, eight hundred twelve thousand, nine hundred eighty-five".