143342013 has 4 divisors (see below), whose sum is σ = 191122688. Its totient is φ = 95561340.

The previous prime is 143341999. The next prime is 143342021. The reversal of 143342013 is 310243341.

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, and also an emirpimes, since its reverse is a distinct semiprime: 310243341 = 3 ⋅103414447.

It is not a de Polignac number, because 143342013 - 2⁵ = 143341981 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 (143342053) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23890333 + ... + 23890338.

It is an arithmetic number, because the mean of its divisors is an integer number (47780672).

Almost surely, 2^143342013 is an apocalyptic number.

It is an amenable number.

143342013 is a deficient number, since it is larger than the sum of its proper divisors (47780675).

143342013 is an equidigital number, since it uses as much as digits as its factorization.

143342013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47780674.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 143342013 is about 11972.5524847461. The cubic root of 143342013 is about 523.3487200727.

Adding to 143342013 its reverse (310243341), we get a palindrome (453585354).

The spelling of 143342013 in words is "one hundred forty-three million, three hundred forty-two thousand, thirteen".