45500091 has 16 divisors (see below), whose sum is σ = 74667264. Its totient is φ = 23999904.

The previous prime is 45500071. The next prime is 45500111. The reversal of 45500091 is 19000554.

It is an interprime number because it is at equal distance from previous prime (45500071) and next prime (45500111).

It is not a de Polignac number, because 45500091 - 2⁷ = 45499963 is a prime.

It is not an unprimeable number, because it can be changed into a prime (45500071) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 83061 + ... + 83606.

It is an arithmetic number, because the mean of its divisors is an integer number (4666704).

Almost surely, 2^45500091 is an apocalyptic number.

45500091 is a deficient number, since it is larger than the sum of its proper divisors (29167173).

45500091 is a wasteful number, since it uses less digits than its factorization.

45500091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166690.

The product of its (nonzero) digits is 900, while the sum is 24.

The square root of 45500091 is about 6745.3755269814. The cubic root of 45500091 is about 357.0020870972.

The spelling of 45500091 in words is "forty-five million, five hundred thousand, ninety-one".