1545834228 has 12 divisors (see below), whose sum is σ = 3606946560. Its totient is φ = 515278072.

The previous prime is 1545834217. The next prime is 1545834239. The reversal of 1545834228 is 8224385451.

It is an interprime number because it is at equal distance from previous prime (1545834217) and next prime (1545834239).

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 1545834228.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64409748 + ... + 64409771.

It is an arithmetic number, because the mean of its divisors is an integer number (300578880).

Almost surely, 2^1545834228 is an apocalyptic number.

It is an amenable number.

1545834228 is an abundant number, since it is smaller than the sum of its proper divisors (2061112332).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1545834228 is a wasteful number, since it uses less digits than its factorization.

1545834228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128819526 (or 128819524 counting only the distinct ones).

The product of its digits is 307200, while the sum is 42.

The square root of 1545834228 is about 39317.0984178640. The cubic root of 1545834228 is about 1156.2568174597.

The spelling of 1545834228 in words is "one billion, five hundred forty-five million, eight hundred thirty-four thousand, two hundred twenty-eight".