1232145544 has 32 divisors (see below), whose sum is σ = 2679727680. Its totient is φ = 520179264.

The previous prime is 1232145529. The next prime is 1232145589. The reversal of 1232145544 is 4455412321.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 160447 + ... + 167950.

It is an arithmetic number, because the mean of its divisors is an integer number (83741490).

Almost surely, 2^1232145544 is an apocalyptic number.

1232145544 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1232145544 is an abundant number, since it is smaller than the sum of its proper divisors (1447582136).

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

1232145544 is a wasteful number, since it uses less digits than its factorization.

1232145544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 328477 (or 328473 counting only the distinct ones).

The product of its digits is 19200, while the sum is 31.

The square root of 1232145544 is about 35101.9307731071. The cubic root of 1232145544 is about 1072.0638954452.

Adding to 1232145544 its reverse (4455412321), we get a palindrome (5687557865).

The spelling of 1232145544 in words is "one billion, two hundred thirty-two million, one hundred forty-five thousand, five hundred forty-four".