1545339228 has 24 divisors (see below), whose sum is σ = 3607333632. Its totient is φ = 514892784.

The previous prime is 1545339221. The next prime is 1545339233. The reversal of 1545339228 is 8229335451.

It is a self number, because there is not a number n which added to its sum of digits gives 1545339228.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1545339221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3051 + ... + 55677.

It is an arithmetic number, because the mean of its divisors is an integer number (150305568).

Almost surely, 2^1545339228 is an apocalyptic number.

It is an amenable number.

1545339228 is an abundant number, since it is smaller than the sum of its proper divisors (2061994404).

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

1545339228 is a wasteful number, since it uses less digits than its factorization.

1545339228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55081 (or 55079 counting only the distinct ones).

The product of its digits is 259200, while the sum is 42.

The square root of 1545339228 is about 39310.8029427027. The cubic root of 1545339228 is about 1156.1333871857.

The spelling of 1545339228 in words is "one billion, five hundred forty-five million, three hundred thirty-nine thousand, two hundred twenty-eight".