45378229 has 16 divisors (see below), whose sum is σ = 50585472. Its totient is φ = 40442688.

The previous prime is 45378217. The next prime is 45378239. The reversal of 45378229 is 92287354.

It is not a de Polignac number, because 45378229 - 2⁵ = 45378197 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 45378191 and 45378200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45378239) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45672 + ... + 46654.

It is an arithmetic number, because the mean of its divisors is an integer number (3161592).

Almost surely, 2^45378229 is an apocalyptic number.

It is an amenable number.

45378229 is a deficient number, since it is larger than the sum of its proper divisors (5207243).

45378229 is a wasteful number, since it uses less digits than its factorization.

45378229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1116.

The product of its digits is 120960, while the sum is 40.

The square root of 45378229 is about 6736.3364672498. The cubic root of 45378229 is about 356.6830849091.

The spelling of 45378229 in words is "forty-five million, three hundred seventy-eight thousand, two hundred twenty-nine".