2043145544 has 64 divisors (see below), whose sum is σ = 4657953600. Its totient is φ = 828057600.

The previous prime is 2043145541. The next prime is 2043145553. The reversal of 2043145544 is 4455413402.

It is a self number, because there is not a number n which added to its sum of digits gives 2043145544.

It is not an unprimeable number, because it can be changed into a prime (2043145541) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7517 + ... + 64364.

It is an arithmetic number, because the mean of its divisors is an integer number (72780525).

Almost surely, 2^2043145544 is an apocalyptic number.

It is an amenable number.

2043145544 is an abundant number, since it is smaller than the sum of its proper divisors (2614808056).

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

2043145544 is a wasteful number, since it uses less digits than its factorization.

2043145544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71934 (or 71930 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 32.

The square root of 2043145544 is about 45201.1675070457. The cubic root of 2043145544 is about 1268.9166664210.

Adding to 2043145544 its reverse (4455413402), we get a palindrome (6498558946).

The spelling of 2043145544 in words is "two billion, forty-three million, one hundred forty-five thousand, five hundred forty-four".