45276909 has 4 divisors (see below), whose sum is σ = 60369216. Its totient is φ = 30184604.

The previous prime is 45276901. The next prime is 45276919. The reversal of 45276909 is 90967254.

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 a cyclic number.

It is not a de Polignac number, because 45276909 - 2³ = 45276901 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45276901) 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 3 ways as a sum of consecutive naturals, for example, 7546149 + ... + 7546154.

It is an arithmetic number, because the mean of its divisors is an integer number (15092304).

Almost surely, 2^45276909 is an apocalyptic number.

It is an amenable number.

45276909 is a deficient number, since it is larger than the sum of its proper divisors (15092307).

45276909 is a wasteful number, since it uses less digits than its factorization.

45276909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15092306.

The product of its (nonzero) digits is 136080, while the sum is 42.

The square root of 45276909 is about 6728.8118564870. The cubic root of 45276909 is about 356.4174210920.

The spelling of 45276909 in words is "forty-five million, two hundred seventy-six thousand, nine hundred nine".