3142568149 has 4 divisors (see below), whose sum is σ = 3591506464. Its totient is φ = 2693629836.

The previous prime is 3142568141. The next prime is 3142568173. The reversal of 3142568149 is 9418652413.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3142568149 - 2³ = 3142568141 is a prime.

It is a super-2 number, since 2×3142568149² = 19751469142218572402, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3142568141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 224469147 + ... + 224469160.

It is an arithmetic number, because the mean of its divisors is an integer number (897876616).

Almost surely, 2^3142568149 is an apocalyptic number.

It is an amenable number.

3142568149 is a deficient number, since it is larger than the sum of its proper divisors (448938315).

3142568149 is an equidigital number, since it uses as much as digits as its factorization.

3142568149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 448938314.

The product of its digits is 207360, while the sum is 43.

The square root of 3142568149 is about 56058.6135130008. The cubic root of 3142568149 is about 1464.7434619350.

The spelling of 3142568149 in words is "three billion, one hundred forty-two million, five hundred sixty-eight thousand, one hundred forty-nine".