142861357 has 2 divisors, whose sum is σ = 142861358. Its totient is φ = 142861356.

The previous prime is 142861339. The next prime is 142861363. The reversal of 142861357 is 753168241.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 128618281 + 14243076 = 11341^2 + 3774^2 .

It is a cyclic number.

It is not a de Polignac number, because 142861357 - 2¹⁵ = 142828589 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142861457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71430678 + 71430679.

It is an arithmetic number, because the mean of its divisors is an integer number (71430679).

Almost surely, 2^142861357 is an apocalyptic number.

It is an amenable number.

142861357 is a deficient number, since it is larger than the sum of its proper divisors (1).

142861357 is an equidigital number, since it uses as much as digits as its factorization.

142861357 is an evil number, because the sum of its binary digits is even.

The product of its digits is 40320, while the sum is 37.

The square root of 142861357 is about 11952.4623822876. The cubic root of 142861357 is about 522.7630988032.

The spelling of 142861357 in words is "one hundred forty-two million, eight hundred sixty-one thousand, three hundred fifty-seven".