142817341 has 4 divisors (see below), whose sum is σ = 147424384. Its totient is φ = 138210300.

The previous prime is 142817329. The next prime is 142817377. The reversal of 142817341 is 143718241.

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: 143718241 = 163 ⋅881707.

It is a cyclic number.

It is not a de Polignac number, because 142817341 - 2⁹ = 142816829 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31), and also a Moran number because the ratio is a prime number: 4607011 = 142817341 / (1 + 4 + 2 + 8 + 1 + 7 + 3 + 4 + 1).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142877341) 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, 2303475 + ... + 2303536.

It is an arithmetic number, because the mean of its divisors is an integer number (36856096).

Almost surely, 2^142817341 is an apocalyptic number.

It is an amenable number.

142817341 is a deficient number, since it is larger than the sum of its proper divisors (4607043).

142817341 is an equidigital number, since it uses as much as digits as its factorization.

142817341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4607042.

The product of its digits is 5376, while the sum is 31.

The square root of 142817341 is about 11950.6209462103. The cubic root of 142817341 is about 522.7094050108.

It can be divided in two parts, 1428 and 17341, that added together give a square (18769 = 137²).

The spelling of 142817341 in words is "one hundred forty-two million, eight hundred seventeen thousand, three hundred forty-one".