45020109 has 8 divisors (see below), whose sum is σ = 60251040. Its totient is φ = 29901296.

The previous prime is 45020099. The next prime is 45020119. The reversal of 45020109 is 90102054.

It is an interprime number because it is at equal distance from previous prime (45020099) and next prime (45020119).

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 45020109 - 2¹³ = 45011917 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45020119) 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, 27087 + ... + 28700.

It is an arithmetic number, because the mean of its divisors is an integer number (7531380).

Almost surely, 2^45020109 is an apocalyptic number.

It is an amenable number.

45020109 is a deficient number, since it is larger than the sum of its proper divisors (15230931).

45020109 is a wasteful number, since it uses less digits than its factorization.

45020109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56059.

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 45020109 is about 6709.7026014571. The cubic root of 45020109 is about 355.7423044608.

The spelling of 45020109 in words is "forty-five million, twenty thousand, one hundred nine".