1230545544 has 32 divisors (see below), whose sum is σ = 3257327520. Its totient is φ = 386053376.

The previous prime is 1230545543. The next prime is 1230545549. The reversal of 1230545544 is 4455450321.

It is not an unprimeable number, because it can be changed into a prime (1230545543) by changing a digit.

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, 1507614 + ... + 1508429.

It is an arithmetic number, because the mean of its divisors is an integer number (101791485).

Almost surely, 2^1230545544 is an apocalyptic number.

It is an amenable number.

1230545544 is an abundant number, since it is smaller than the sum of its proper divisors (2026781976).

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

1230545544 is a wasteful number, since it uses less digits than its factorization.

1230545544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3016069 (or 3016065 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 33.

The square root of 1230545544 is about 35079.1326004507. The cubic root of 1230545544 is about 1071.5996523357.

Adding to 1230545544 its reverse (4455450321), we get a palindrome (5685995865).

The spelling of 1230545544 in words is "one billion, two hundred thirty million, five hundred forty-five thousand, five hundred forty-four".