45845081 has 4 divisors (see below), whose sum is σ = 48258000. Its totient is φ = 43432164.

The previous prime is 45845071. The next prime is 45845083. The reversal of 45845081 is 18054854.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 18054854 = 2 ⋅9027427.

It is a cyclic number.

It is not a de Polignac number, because 45845081 - 2¹⁸ = 45582937 is a prime.

It is a super-2 number, since 2×45845081² = 4203542903793122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45845083) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1206431 + ... + 1206468.

It is an arithmetic number, because the mean of its divisors is an integer number (12064500).

Almost surely, 2^45845081 is an apocalyptic number.

It is an amenable number.

45845081 is a deficient number, since it is larger than the sum of its proper divisors (2412919).

45845081 is a wasteful number, since it uses less digits than its factorization.

45845081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2412918.

The product of its (nonzero) digits is 25600, while the sum is 35.

The square root of 45845081 is about 6770.8995709581. The cubic root of 45845081 is about 357.9021012337.

The spelling of 45845081 in words is "forty-five million, eight hundred forty-five thousand, eighty-one".