142444051 has 2 divisors, whose sum is σ = 142444052. Its totient is φ = 142444050.

The previous prime is 142444021. The next prime is 142444069. The reversal of 142444051 is 150444241.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 142444051 - 2¹⁹ = 141919763 is a prime.

It is not a weakly prime, because it can be changed into another prime (142444021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71222025 + 71222026.

It is an arithmetic number, because the mean of its divisors is an integer number (71222026).

Almost surely, 2^142444051 is an apocalyptic number.

142444051 is a deficient number, since it is larger than the sum of its proper divisors (1).

142444051 is an equidigital number, since it uses as much as digits as its factorization.

142444051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2560, while the sum is 25.

The square root of 142444051 is about 11934.9927105131. The cubic root of 142444051 is about 522.2535956522.

Adding to 142444051 its reverse (150444241), we get a palindrome (292888292).

The spelling of 142444051 in words is "one hundred forty-two million, four hundred forty-four thousand, fifty-one".