315143141 has 16 divisors (see below), whose sum is σ = 329764608. Its totient is φ = 300955200.

The previous prime is 315143137. The next prime is 315143149. The reversal of 315143141 is 141341513.

It is a happy number.

It is not a de Polignac number, because 315143141 - 2² = 315143137 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (315143149) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 345476 + ... + 346386.

It is an arithmetic number, because the mean of its divisors is an integer number (20610288).

Almost surely, 2^315143141 is an apocalyptic number.

It is an amenable number.

315143141 is a deficient number, since it is larger than the sum of its proper divisors (14621467).

315143141 is a wasteful number, since it uses less digits than its factorization.

315143141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1132.

The product of its digits is 720, while the sum is 23.

The square root of 315143141 is about 17752.2714321295. The cubic root of 315143141 is about 680.5122589034.

Adding to 315143141 its reverse (141341513), we get a palindrome (456484654).

The spelling of 315143141 in words is "three hundred fifteen million, one hundred forty-three thousand, one hundred forty-one".