45020873 has 2 divisors, whose sum is σ = 45020874. Its totient is φ = 45020872.

The previous prime is 45020869. The next prime is 45020933. The reversal of 45020873 is 37802054.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22629049 + 22391824 = 4757^2 + 4732^2 .

It is a cyclic number.

It is not a de Polignac number, because 45020873 - 2² = 45020869 is a prime.

It is not a weakly prime, because it can be changed into another prime (45020813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22510436 + 22510437.

It is an arithmetic number, because the mean of its divisors is an integer number (22510437).

Almost surely, 2^45020873 is an apocalyptic number.

It is an amenable number.

45020873 is a deficient number, since it is larger than the sum of its proper divisors (1).

45020873 is an equidigital number, since it uses as much as digits as its factorization.

45020873 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 45020873 is about 6709.7595336942. The cubic root of 45020873 is about 355.7443167881.

The spelling of 45020873 in words is "forty-five million, twenty thousand, eight hundred seventy-three".