3543220145 has 8 divisors (see below), whose sum is σ = 4398480360. Its totient is φ = 2736832000.

The previous prime is 3543220103. The next prime is 3543220151. The reversal of 3543220145 is 5410223453.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 113569 + 3543106576 = 337^2 + 59524^2 .

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

It is not a de Polignac number, because 3543220145 - 2¹⁴ = 3543203761 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12217856 + ... + 12218145.

It is an arithmetic number, because the mean of its divisors is an integer number (549810045).

Almost surely, 2^3543220145 is an apocalyptic number.

It is an amenable number.

3543220145 is a deficient number, since it is larger than the sum of its proper divisors (855260215).

3543220145 is a wasteful number, since it uses less digits than its factorization.

3543220145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24436035.

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

The square root of 3543220145 is about 59524.9539689028. The cubic root of 3543220145 is about 1524.5185465754.

Adding to 3543220145 its reverse (5410223453), we get a palindrome (8953443598).

The spelling of 3543220145 in words is "three billion, five hundred forty-three million, two hundred twenty thousand, one hundred forty-five".