45227409 has 4 divisors (see below), whose sum is σ = 60303216. Its totient is φ = 30151604.

The previous prime is 45227401. The next prime is 45227417. The reversal of 45227409 is 90472254.

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 (45227401) and next prime (45227417).

It is a cyclic number.

It is not a de Polignac number, because 45227409 - 2³ = 45227401 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 45227409.

It is not an unprimeable number, because it can be changed into a prime (45227401) 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, 7537899 + ... + 7537904.

It is an arithmetic number, because the mean of its divisors is an integer number (15075804).

Almost surely, 2^45227409 is an apocalyptic number.

It is an amenable number.

45227409 is a deficient number, since it is larger than the sum of its proper divisors (15075807).

45227409 is a wasteful number, since it uses less digits than its factorization.

45227409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15075806.

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 45227409 is about 6725.1326380972. The cubic root of 45227409 is about 356.2874866063.

The spelling of 45227409 in words is "forty-five million, two hundred twenty-seven thousand, four hundred nine".