45020263 has 4 divisors (see below), whose sum is σ = 45069048. Its totient is φ = 44971480.

The previous prime is 45020249. The next prime is 45020317. The reversal of 45020263 is 36202054.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45020263 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 (45020203) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22981 + ... + 24862.

It is an arithmetic number, because the mean of its divisors is an integer number (11267262).

Almost surely, 2^45020263 is an apocalyptic number.

45020263 is a deficient number, since it is larger than the sum of its proper divisors (48785).

45020263 is an equidigital number, since it uses as much as digits as its factorization.

45020263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48784.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 45020263 is about 6709.7140773657. The cubic root of 45020263 is about 355.7427100889.

The spelling of 45020263 in words is "forty-five million, twenty thousand, two hundred sixty-three".