343404142 has 4 divisors (see below), whose sum is σ = 515106216. Its totient is φ = 171702070.

The previous prime is 343404101. The next prime is 343404181. The reversal of 343404142 is 241404343.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 241404343 = 23 ⋅10495841.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 85851034 + ... + 85851037.

It is an arithmetic number, because the mean of its divisors is an integer number (128776554).

Almost surely, 2^343404142 is an apocalyptic number.

343404142 is a deficient number, since it is larger than the sum of its proper divisors (171702074).

343404142 is a wasteful number, since it uses less digits than its factorization.

343404142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171702073.

The product of its (nonzero) digits is 4608, while the sum is 25.

The square root of 343404142 is about 18531.1667738435. The cubic root of 343404142 is about 700.2748186232.

Adding to 343404142 its reverse (241404343), we get a palindrome (584808485).

The spelling of 343404142 in words is "three hundred forty-three million, four hundred four thousand, one hundred forty-two".