1545230244 has 12 divisors (see below), whose sum is σ = 3605537264. Its totient is φ = 515076744.

The previous prime is 1545230243. The next prime is 1545230257. The reversal of 1545230244 is 4420325451.

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

It is not an unprimeable number, because it can be changed into a prime (1545230243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64384582 + ... + 64384605.

Almost surely, 2^1545230244 is an apocalyptic number.

It is an amenable number.

1545230244 is an abundant number, since it is smaller than the sum of its proper divisors (2060307020).

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

1545230244 is a wasteful number, since it uses less digits than its factorization.

1545230244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128769194 (or 128769192 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 30.

The square root of 1545230244 is about 39309.4167344162. The cubic root of 1545230244 is about 1156.1062080393.

Adding to 1545230244 its reverse (4420325451), we get a palindrome (5965555695).

The spelling of 1545230244 in words is "one billion, five hundred forty-five million, two hundred thirty thousand, two hundred forty-four".