142886437 has 2 divisors, whose sum is σ = 142886438. Its totient is φ = 142886436.

The previous prime is 142886407. The next prime is 142886449. The reversal of 142886437 is 734688241.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 124344801 + 18541636 = 11151^2 + 4306^2 .

It is a cyclic number.

It is not a de Polignac number, because 142886437 - 2¹⁹ = 142362149 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 142886393 and 142886402.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142886407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71443218 + 71443219.

It is an arithmetic number, because the mean of its divisors is an integer number (71443219).

Almost surely, 2^142886437 is an apocalyptic number.

It is an amenable number.

142886437 is a deficient number, since it is larger than the sum of its proper divisors (1).

142886437 is an equidigital number, since it uses as much as digits as its factorization.

142886437 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 258048, while the sum is 43.

The square root of 142886437 is about 11953.5114924444. The cubic root of 142886437 is about 522.7936882073.

The spelling of 142886437 in words is "one hundred forty-two million, eight hundred eighty-six thousand, four hundred thirty-seven".