945225523 has 8 divisors (see below), whose sum is σ = 1036339200. Its totient is φ = 854975880.

The previous prime is 945225499. The next prime is 945225529. The reversal of 945225523 is 325522549.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-945225523 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (945225529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 213715 + ... + 218092.

It is an arithmetic number, because the mean of its divisors is an integer number (129542400).

Almost surely, 2^945225523 is an apocalyptic number.

945225523 is a deficient number, since it is larger than the sum of its proper divisors (91113677).

945225523 is a wasteful number, since it uses less digits than its factorization.

945225523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 432017.

The product of its digits is 108000, while the sum is 37.

The square root of 945225523 is about 30744.5202109254. The cubic root of 945225523 is about 981.3979504123.

The spelling of 945225523 in words is "nine hundred forty-five million, two hundred twenty-five thousand, five hundred twenty-three".