45420973 has 8 divisors (see below), whose sum is σ = 49744800. Its totient is φ = 41215728.

The previous prime is 45420967. The next prime is 45420979. The reversal of 45420973 is 37902454.

45420973 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (45420967) and next prime (45420979).

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45420973 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 (45420979) 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 7 ways as a sum of consecutive naturals, for example, 28843 + ... + 30376.

It is an arithmetic number, because the mean of its divisors is an integer number (6218100).

Almost surely, 2^45420973 is an apocalyptic number.

It is an amenable number.

45420973 is a deficient number, since it is larger than the sum of its proper divisors (4323827).

45420973 is a wasteful number, since it uses less digits than its factorization.

45420973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59291.

The product of its (nonzero) digits is 30240, while the sum is 34.

The square root of 45420973 is about 6739.5083648587. The cubic root of 45420973 is about 356.7950422480.

The spelling of 45420973 in words is "forty-five million, four hundred twenty thousand, nine hundred seventy-three".