3430642145 has 48 divisors (see below), whose sum is σ = 4999041360. Its totient is φ = 2250694656.

The previous prime is 3430642121. The next prime is 3430642153. The reversal of 3430642145 is 5412460343.

It can be written as a sum of positive squares in 8 ways, for example, as 799362529 + 2631279616 = 28273^2 + 51296^2 .

It is not a de Polignac number, because 3430642145 - 2²² = 3426447841 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 800729 + ... + 805001.

It is an arithmetic number, because the mean of its divisors is an integer number (104146695).

Almost surely, 2^3430642145 is an apocalyptic number.

3430642145 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3430642145 is a deficient number, since it is larger than the sum of its proper divisors (1568399215).

3430642145 is a wasteful number, since it uses less digits than its factorization.

3430642145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4434 (or 4427 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 32.

The square root of 3430642145 is about 58571.6838156459. The cubic root of 3430642145 is about 1508.1983900385.

The spelling of 3430642145 in words is "three billion, four hundred thirty million, six hundred forty-two thousand, one hundred forty-five".