45098081 has 12 divisors (see below), whose sum is σ = 52881408. Its totient is φ = 38345832.

The previous prime is 45098069. The next prime is 45098083. The reversal of 45098081 is 18089054.

It is not a de Polignac number, because 45098081 - 2⁶ = 45098017 is a prime.

It is a super-2 number, since 2×45098081² = 4067673819765122, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (45098083) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2600 + ... + 9846.

It is an arithmetic number, because the mean of its divisors is an integer number (4406784).

Almost surely, 2^45098081 is an apocalyptic number.

It is an amenable number.

45098081 is a deficient number, since it is larger than the sum of its proper divisors (7783327).

45098081 is a wasteful number, since it uses less digits than its factorization.

45098081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7388 (or 7381 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 35.

The square root of 45098081 is about 6715.5104794796. The cubic root of 45098081 is about 355.9475604491.

The spelling of 45098081 in words is "forty-five million, ninety-eight thousand, eighty-one".