143315142 has 16 divisors (see below), whose sum is σ = 288390720. Its totient is φ = 47478312.

The previous prime is 143315101. The next prime is 143315143. The reversal of 143315142 is 241513341.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143315143) 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 7 ways as a sum of consecutive naturals, for example, 72292 + ... + 74247.

It is an arithmetic number, because the mean of its divisors is an integer number (18024420).

Almost surely, 2^143315142 is an apocalyptic number.

143315142 is an abundant number, since it is smaller than the sum of its proper divisors (145075578).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

143315142 is a wasteful number, since it uses less digits than its factorization.

143315142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146707.

The product of its digits is 1440, while the sum is 24.

The square root of 143315142 is about 11971.4302403681. The cubic root of 143315142 is about 523.3160155827.

Adding to 143315142 its reverse (241513341), we get a palindrome (384828483).

The spelling of 143315142 in words is "one hundred forty-three million, three hundred fifteen thousand, one hundred forty-two".