1545625226 has 8 divisors (see below), whose sum is σ = 2327253984. Its totient is φ = 769873900.

The previous prime is 1545625223. The next prime is 1545625229. The reversal of 1545625226 is 6225265451.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1545625223) and next prime (1545625229).

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

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1545625226.

It is not an unprimeable number, because it can be changed into a prime (1545625223) 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, 1468700 + ... + 1469751.

It is an arithmetic number, because the mean of its divisors is an integer number (290906748).

Almost surely, 2^1545625226 is an apocalyptic number.

1545625226 is a deficient number, since it is larger than the sum of its proper divisors (781628758).

1545625226 is a wasteful number, since it uses less digits than its factorization.

1545625226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2938716.

The product of its digits is 144000, while the sum is 38.

The square root of 1545625226 is about 39314.4404258791. The cubic root of 1545625226 is about 1156.2047051709.

The spelling of 1545625226 in words is "one billion, five hundred forty-five million, six hundred twenty-five thousand, two hundred twenty-six".