342451243 has 6 divisors (see below), whose sum is σ = 351958236. Its totient is φ = 333194472.

The previous prime is 342451237. The next prime is 342451261. The reversal of 342451243 is 342154243.

It is a happy number.

It is not a de Polignac number, because 342451243 - 2¹³ = 342443051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (342451223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 123705 + ... + 126442.

It is an arithmetic number, because the mean of its divisors is an integer number (58659706).

Almost surely, 2^342451243 is an apocalyptic number.

342451243 is a deficient number, since it is larger than the sum of its proper divisors (9506993).

342451243 is an equidigital number, since it uses as much as digits as its factorization.

342451243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250221 (or 250184 counting only the distinct ones).

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

The square root of 342451243 is about 18505.4382007020. The cubic root of 342451243 is about 699.6264966613.

The spelling of 342451243 in words is "three hundred forty-two million, four hundred fifty-one thousand, two hundred forty-three".