3142045421 has 2 divisors, whose sum is σ = 3142045422. Its totient is φ = 3142045420.

The previous prime is 3142045411. The next prime is 3142045463. The reversal of 3142045421 is 1245402413.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2914488196 + 227557225 = 53986^2 + 15085^2 .

It is a cyclic number.

It is not a de Polignac number, because 3142045421 - 2²² = 3137851117 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3142045411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1571022710 + 1571022711.

It is an arithmetic number, because the mean of its divisors is an integer number (1571022711).

Almost surely, 2^3142045421 is an apocalyptic number.

It is an amenable number.

3142045421 is a deficient number, since it is larger than the sum of its proper divisors (1).

3142045421 is an equidigital number, since it uses as much as digits as its factorization.

3142045421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 3142045421 is about 56053.9509847433. The cubic root of 3142045421 is about 1464.6622433434.

Adding to 3142045421 its reverse (1245402413), we get a palindrome (4387447834).

The spelling of 3142045421 in words is "three billion, one hundred forty-two million, forty-five thousand, four hundred twenty-one".