142331343 has 16 divisors (see below), whose sum is σ = 236603136. Its totient is φ = 73938240.

The previous prime is 142331339. The next prime is 142331347. The reversal of 142331343 is 343133241.

It is an interprime number because it is at equal distance from previous prime (142331339) and next prime (142331347).

It is not a de Polignac number, because 142331343 - 2² = 142331339 is a prime.

It is a super-2 number, since 2×142331343² = 40516422400367298, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142331347) 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, 307846 + ... + 308307.

It is an arithmetic number, because the mean of its divisors is an integer number (14787696).

Almost surely, 2^142331343 is an apocalyptic number.

142331343 is a deficient number, since it is larger than the sum of its proper divisors (94271793).

142331343 is a wasteful number, since it uses less digits than its factorization.

142331343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 616174.

The product of its digits is 2592, while the sum is 24.

The square root of 142331343 is about 11930.2700304729. The cubic root of 142331343 is about 522.1158159661.

Adding to 142331343 its reverse (343133241), we get a palindrome (485464584).

It can be divided in two parts, 14233 and 1343, that added together give a triangular number (15576 = T₁₇₆).

The spelling of 142331343 in words is "one hundred forty-two million, three hundred thirty-one thousand, three hundred forty-three".