45457998 has 8 divisors (see below), whose sum is σ = 90916008. Its totient is φ = 15152664.

The previous prime is 45457991. The next prime is 45458003. The reversal of 45457998 is 89975454.

45457998 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

45457998 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 45457998.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45457991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3788161 + ... + 3788172.

It is an arithmetic number, because the mean of its divisors is an integer number (11364501).

Almost surely, 2^45457998 is an apocalyptic number.

45457998 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

45457998 is a wasteful number, since it uses less digits than its factorization.

45457998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7576338.

The product of its digits is 1814400, while the sum is 51.

The square root of 45457998 is about 6742.2546673943. The cubic root of 45457998 is about 356.8919633229.

The spelling of 45457998 in words is "forty-five million, four hundred fifty-seven thousand, nine hundred ninety-eight".