3145432442 has 8 divisors (see below), whose sum is σ = 4720845396. Its totient is φ = 1571817312.

The previous prime is 3145432417. The next prime is 3145432447. The reversal of 3145432442 is 2442345413.

It can be written as a sum of positive squares in 2 ways, for example, as 2647205401 + 498227041 = 51451^2 + 22321^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 3145432399 and 3145432408.

It is not an unprimeable number, because it can be changed into a prime (3145432447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 445073 + ... + 452084.

Almost surely, 2^3145432442 is an apocalyptic number.

3145432442 is a deficient number, since it is larger than the sum of its proper divisors (1575412954).

3145432442 is a wasteful number, since it uses less digits than its factorization.

3145432442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 898912.

The product of its digits is 46080, while the sum is 32.

The square root of 3145432442 is about 56084.1549994292. The cubic root of 3145432442 is about 1465.1883401622.

Adding to 3145432442 its reverse (2442345413), we get a palindrome (5587777855).

The spelling of 3145432442 in words is "three billion, one hundred forty-five million, four hundred thirty-two thousand, four hundred forty-two".