45273269 has 4 divisors (see below), whose sum is σ = 47241696. Its totient is φ = 43304844.

The previous prime is 45273251. The next prime is 45273287. The reversal of 45273269 is 96237254.

45273269 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (45273251) and next prime (45273287).

It is a cyclic number.

It is not a de Polignac number, because 45273269 - 2⁸ = 45273013 is a prime.

It is a super-2 number, since 2×45273269² = 4099337771892722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45273209) 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 3 ways as a sum of consecutive naturals, for example, 984179 + ... + 984224.

It is an arithmetic number, because the mean of its divisors is an integer number (11810424).

Almost surely, 2^45273269 is an apocalyptic number.

It is an amenable number.

45273269 is a deficient number, since it is larger than the sum of its proper divisors (1968427).

45273269 is a wasteful number, since it uses less digits than its factorization.

45273269 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1968426.

The product of its digits is 90720, while the sum is 38.

The square root of 45273269 is about 6728.5413723927. The cubic root of 45273269 is about 356.4078695405.

The spelling of 45273269 in words is "forty-five million, two hundred seventy-three thousand, two hundred sixty-nine".