142019051 has 2 divisors, whose sum is σ = 142019052. Its totient is φ = 142019050.

The previous prime is 142019047. The next prime is 142019057. The reversal of 142019051 is 150910241.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 142019051 - 2² = 142019047 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (142019057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71009525 + 71009526.

It is an arithmetic number, because the mean of its divisors is an integer number (71009526).

Almost surely, 2^142019051 is an apocalyptic number.

142019051 is a deficient number, since it is larger than the sum of its proper divisors (1).

142019051 is an equidigital number, since it uses as much as digits as its factorization.

142019051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 360, while the sum is 23.

The square root of 142019051 is about 11917.1746232066. The cubic root of 142019051 is about 521.7336748138.

Adding to 142019051 its reverse (150910241), we get a palindrome (292929292).

It can be divided in two parts, 1420190 and 51, that added together give a palindrome (1420241).

The spelling of 142019051 in words is "one hundred forty-two million, nineteen thousand, fifty-one".