342444137 has 4 divisors (see below), whose sum is σ = 391364736. Its totient is φ = 293523540.

The previous prime is 342444133. The next prime is 342444173. The reversal of 342444137 is 731444243.

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: 731444243 = 5351 ⋅136693.

It is a cyclic number.

It is not a de Polignac number, because 342444137 - 2² = 342444133 is a prime.

It is not an unprimeable number, because it can be changed into a prime (342444133) 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, 24460289 + ... + 24460302.

It is an arithmetic number, because the mean of its divisors is an integer number (97841184).

Almost surely, 2^342444137 is an apocalyptic number.

It is an amenable number.

342444137 is a deficient number, since it is larger than the sum of its proper divisors (48920599).

342444137 is an equidigital number, since it uses as much as digits as its factorization.

342444137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48920598.

The product of its digits is 32256, while the sum is 32.

The square root of 342444137 is about 18505.2462020909. The cubic root of 342444137 is about 699.6216574515.

The spelling of 342444137 in words is "three hundred forty-two million, four hundred forty-four thousand, one hundred thirty-seven".