342154243 has 4 divisors (see below), whose sum is σ = 342423040. Its totient is φ = 341885448.

The previous prime is 342154237. The next prime is 342154249. The reversal of 342154243 is 342451243.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (342154237) and next prime (342154249).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-342154243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (342154249) 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, 132480 + ... + 135037.

It is an arithmetic number, because the mean of its divisors is an integer number (85605760).

Almost surely, 2^342154243 is an apocalyptic number.

342154243 is a deficient number, since it is larger than the sum of its proper divisors (268797).

342154243 is a wasteful number, since it uses less digits than its factorization.

342154243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268796.

The product of its digits is 11520, while the sum is 28.

The square root of 342154243 is about 18497.4117919238. The cubic root of 342154243 is about 699.4241815650.

The spelling of 342154243 in words is "three hundred forty-two million, one hundred fifty-four thousand, two hundred forty-three".