142346741 has 2 divisors, whose sum is σ = 142346742. Its totient is φ = 142346740.

The previous prime is 142346723. The next prime is 142346749. The reversal of 142346741 is 147643241.

142346741 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 74218225 + 68128516 = 8615^2 + 8254^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-142346741 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 142346698 and 142346707.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142346749) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71173370 + 71173371.

It is an arithmetic number, because the mean of its divisors is an integer number (71173371).

Almost surely, 2^142346741 is an apocalyptic number.

It is an amenable number.

142346741 is a deficient number, since it is larger than the sum of its proper divisors (1).

142346741 is an equidigital number, since it uses as much as digits as its factorization.

142346741 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16128, while the sum is 32.

The square root of 142346741 is about 11930.9153462758. The cubic root of 142346741 is about 522.1346435115.

Adding to 142346741 its reverse (147643241), we get a palindrome (289989982).

The spelling of 142346741 in words is "one hundred forty-two million, three hundred forty-six thousand, seven hundred forty-one".