142551371 has 2 divisors, whose sum is σ = 142551372. Its totient is φ = 142551370.

The previous prime is 142551359. The next prime is 142551403. The reversal of 142551371 is 173155241.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 142551371 - 2¹⁰ = 142550347 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (142551971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71275685 + 71275686.

It is an arithmetic number, because the mean of its divisors is an integer number (71275686).

Almost surely, 2^142551371 is an apocalyptic number.

142551371 is a deficient number, since it is larger than the sum of its proper divisors (1).

142551371 is an equidigital number, since it uses as much as digits as its factorization.

142551371 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4200, while the sum is 29.

The square root of 142551371 is about 11939.4878868400. The cubic root of 142551371 is about 522.3847212542.

The spelling of 142551371 in words is "one hundred forty-two million, five hundred fifty-one thousand, three hundred seventy-one".