45049997 has 8 divisors (see below), whose sum is σ = 45800640. Its totient is φ = 44302720.

The previous prime is 45049973. The next prime is 45050011. The reversal of 45049997 is 79994054.

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

It is a cyclic number.

It is not a de Polignac number, because 45049997 - 2⁶ = 45049933 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 (45049937) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48029 + ... + 48957.

It is an arithmetic number, because the mean of its divisors is an integer number (5725080).

Almost surely, 2^45049997 is an apocalyptic number.

It is an amenable number.

45049997 is a deficient number, since it is larger than the sum of its proper divisors (750643).

45049997 is an equidigital number, since it uses as much as digits as its factorization.

45049997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1683.

The product of its (nonzero) digits is 408240, while the sum is 47.

The square root of 45049997 is about 6711.9294543373. The cubic root of 45049997 is about 355.8210105784.

The spelling of 45049997 in words is "forty-five million, forty-nine thousand, nine hundred ninety-seven".