3520355145 has 8 divisors (see below), whose sum is σ = 5632568256. Its totient is φ = 1877522736.

The previous prime is 3520355107. The next prime is 3520355147. The reversal of 3520355145 is 5415530253.

It is a happy number.

3520355145 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 3520355145 - 2⁶ = 3520355081 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3520355147) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 117345157 + ... + 117345186.

It is an arithmetic number, because the mean of its divisors is an integer number (704071032).

Almost surely, 2^3520355145 is an apocalyptic number.

It is an amenable number.

3520355145 is a deficient number, since it is larger than the sum of its proper divisors (2112213111).

3520355145 is a wasteful number, since it uses less digits than its factorization.

3520355145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234690351.

The product of its (nonzero) digits is 45000, while the sum is 33.

The square root of 3520355145 is about 59332.5808051529. The cubic root of 3520355145 is about 1521.2321416580.

Adding to 3520355145 its reverse (5415530253), we get a palindrome (8935885398).

The spelling of 3520355145 in words is "three billion, five hundred twenty million, three hundred fifty-five thousand, one hundred forty-five".