45020870 has 16 divisors (see below), whose sum is σ = 83014848. Its totient is φ = 17568960.

The previous prime is 45020869. The next prime is 45020873. The reversal of 45020870 is 7802054.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45020873) 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, 54494 + ... + 55313.

It is an arithmetic number, because the mean of its divisors is an integer number (5188428).

Almost surely, 2^45020870 is an apocalyptic number.

45020870 is a deficient number, since it is larger than the sum of its proper divisors (37993978).

45020870 is a wasteful number, since it uses less digits than its factorization.

45020870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109855.

The product of its (nonzero) digits is 2240, while the sum is 26.

The square root of 45020870 is about 6709.7593101392. The cubic root of 45020870 is about 355.7443088864.

The spelling of 45020870 in words is "forty-five million, twenty thousand, eight hundred seventy".