143145315 has 48 divisors (see below), whose sum is σ = 258380928. Its totient is φ = 73252608.

The previous prime is 143145313. The next prime is 143145319. The reversal of 143145315 is 513541341.

It is a happy number.

It is not a de Polignac number, because 143145315 - 2¹ = 143145313 is a prime.

It is not an unprimeable number, because it can be changed into a prime (143145311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 111457 + ... + 112733.

It is an arithmetic number, because the mean of its divisors is an integer number (5382936).

Almost surely, 2^143145315 is an apocalyptic number.

143145315 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

143145315 is a deficient number, since it is larger than the sum of its proper divisors (115235613).

143145315 is a wasteful number, since it uses less digits than its factorization.

143145315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1388 (or 1385 counting only the distinct ones).

The product of its digits is 3600, while the sum is 27.

The square root of 143145315 is about 11964.3351256975. The cubic root of 143145315 is about 523.1092258104.

Adding to 143145315 its reverse (513541341), we get a palindrome (656686656).

The spelling of 143145315 in words is "one hundred forty-three million, one hundred forty-five thousand, three hundred fifteen".