45840117 has 4 divisors (see below), whose sum is σ = 61120160. Its totient is φ = 30560076.

The previous prime is 45840101. The next prime is 45840133. The reversal of 45840117 is 71104854.

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.

It is an interprime number because it is at equal distance from previous prime (45840101) and next prime (45840133).

It is not a de Polignac number, because 45840117 - 2⁴ = 45840101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45840167) 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, 7640017 + ... + 7640022.

It is an arithmetic number, because the mean of its divisors is an integer number (15280040).

Almost surely, 2^45840117 is an apocalyptic number.

It is an amenable number.

45840117 is a deficient number, since it is larger than the sum of its proper divisors (15280043).

45840117 is a wasteful number, since it uses less digits than its factorization.

45840117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15280042.

The product of its (nonzero) digits is 4480, while the sum is 30.

The square root of 45840117 is about 6770.5329923131. The cubic root of 45840117 is about 357.8891831618.

The spelling of 45840117 in words is "forty-five million, eight hundred forty thousand, one hundred seventeen".