142317741 has 4 divisors (see below), whose sum is σ = 189756992. Its totient is φ = 94878492.

The previous prime is 142317719. The next prime is 142317743. The reversal of 142317741 is 147713241.

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.

It is not a de Polignac number, because 142317741 - 2⁷ = 142317613 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 142317699 and 142317708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142317743) 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, 23719621 + ... + 23719626.

It is an arithmetic number, because the mean of its divisors is an integer number (47439248).

Almost surely, 2^142317741 is an apocalyptic number.

It is an amenable number.

142317741 is a deficient number, since it is larger than the sum of its proper divisors (47439251).

142317741 is an equidigital number, since it uses as much as digits as its factorization.

142317741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47439250.

The product of its digits is 4704, while the sum is 30.

The square root of 142317741 is about 11929.6999543157. The cubic root of 142317741 is about 522.0991833083.

The spelling of 142317741 in words is "one hundred forty-two million, three hundred seventeen thousand, seven hundred forty-one".