342126157 has 4 divisors (see below), whose sum is σ = 343863036. Its totient is φ = 340389280.

The previous prime is 342126151. The next prime is 342126167. The reversal of 342126157 is 751621243.

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

It can be written as a sum of positive squares in 2 ways, for example, as 246301636 + 95824521 = 15694^2 + 9789^2 .

It is a cyclic number.

It is not a de Polignac number, because 342126157 - 2²³ = 333737549 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (342126151) 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, 868144 + ... + 868537.

It is an arithmetic number, because the mean of its divisors is an integer number (85965759).

Almost surely, 2^342126157 is an apocalyptic number.

It is an amenable number.

342126157 is a deficient number, since it is larger than the sum of its proper divisors (1736879).

342126157 is a wasteful number, since it uses less digits than its factorization.

342126157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1736878.

The product of its digits is 10080, while the sum is 31.

The square root of 342126157 is about 18496.6525890497. The cubic root of 342126157 is about 699.4050434467.

The spelling of 342126157 in words is "three hundred forty-two million, one hundred twenty-six thousand, one hundred fifty-seven".