45840027 has 8 divisors (see below), whose sum is σ = 64336960. Its totient is φ = 28951560.

The previous prime is 45840019. The next prime is 45840029. The reversal of 45840027 is 72004854.

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

It is not a de Polignac number, because 45840027 - 2³ = 45840019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 45839976 and 45840003.

It is not an unprimeable number, because it can be changed into a prime (45840029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 402049 + ... + 402162.

It is an arithmetic number, because the mean of its divisors is an integer number (8042120).

Almost surely, 2^45840027 is an apocalyptic number.

45840027 is a deficient number, since it is larger than the sum of its proper divisors (18496933).

45840027 is a wasteful number, since it uses less digits than its factorization.

45840027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 804233.

The product of its (nonzero) digits is 8960, while the sum is 30.

The square root of 45840027 is about 6770.5263458612. The cubic root of 45840027 is about 357.8889489416. Note that the first 3 decimals are identical.

The spelling of 45840027 in words is "forty-five million, eight hundred forty thousand, twenty-seven".