2043213545 has 8 divisors (see below), whose sum is σ = 2580901440. Its totient is φ = 1548540720.

The previous prime is 2043213541. The next prime is 2043213551. The reversal of 2043213545 is 5453123402.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2043213545 - 2² = 2043213541 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2043213541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10753661 + ... + 10753850.

It is an arithmetic number, because the mean of its divisors is an integer number (322612680).

Almost surely, 2^2043213545 is an apocalyptic number.

It is an amenable number.

2043213545 is a deficient number, since it is larger than the sum of its proper divisors (537687895).

2043213545 is a wasteful number, since it uses less digits than its factorization.

2043213545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21507535.

The product of its (nonzero) digits is 14400, while the sum is 29.

The square root of 2043213545 is about 45201.9197048090. The cubic root of 2043213545 is about 1268.9307438395.

Adding to 2043213545 its reverse (5453123402), we get a palindrome (7496336947).

The spelling of 2043213545 in words is "two billion, forty-three million, two hundred thirteen thousand, five hundred forty-five".