142243051 has 2 divisors, whose sum is σ = 142243052. Its totient is φ = 142243050.

The previous prime is 142243039. The next prime is 142243061. The reversal of 142243051 is 150342241.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 142243051 - 2⁵ = 142243019 is a prime.

It is not a weakly prime, because it can be changed into another prime (142243061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71121525 + 71121526.

It is an arithmetic number, because the mean of its divisors is an integer number (71121526).

Almost surely, 2^142243051 is an apocalyptic number.

142243051 is a deficient number, since it is larger than the sum of its proper divisors (1).

142243051 is an equidigital number, since it uses as much as digits as its factorization.

142243051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 142243051 is about 11926.5691210842. The cubic root of 142243051 is about 522.0078327583.

Adding to 142243051 its reverse (150342241), we get a palindrome (292585292).

The spelling of 142243051 in words is "one hundred forty-two million, two hundred forty-three thousand, fifty-one".